Home / 833,102.28-1,248,648.75-383,206.30

Finding the Fourth Proportional to 833,102.28, 1,248,648.75 and 383,206.30

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Solution

The fourth proportional to 833,102.28, 1,248,648.75 and 383,206.30 is: 574,347.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    833,102.28 : 1,248,648.75 = 383,206.30 : x
  2. Step 2: Convert to fraction form
    833,102.28/1,248,648.75 = 383,206.30/x
  3. Step 3: Cross multiply
    833,102.28x = 1,248,648.75 × 383,206.30
  4. Step 4: Simplify right side
    833,102.28x = 478,490,064,365.50
  5. Step 5: Solve for x
    x = 478,490,064,365.50/833,102.28
  6. Step 6: Final answer
    x = 574,347.32

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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.