Home / 1,330,509.30-1,995,763.95-383,910.90

Finding the Fourth Proportional to 1,330,509.30, 1,995,763.95 and 383,910.90

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Solution

The fourth proportional to 1,330,509.30, 1,995,763.95 and 383,910.90 is: 575,866.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,509.30 : 1,995,763.95 = 383,910.90 : x
  2. Step 2: Convert to fraction form
    1,330,509.30/1,995,763.95 = 383,910.90/x
  3. Step 3: Cross multiply
    1,330,509.30x = 1,995,763.95 × 383,910.90
  4. Step 4: Simplify right side
    1,330,509.30x = 766,195,534,232.06
  5. Step 5: Solve for x
    x = 766,195,534,232.06/1,330,509.30
  6. Step 6: Final answer
    x = 575,866.35

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Half scale
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Double scale
Find fourth proportional to 1,330,510.30, 1,995,765.45 and 383,911.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.