Home / 1,225,415.40-1,838,180.70-383,994.60

Finding the Fourth Proportional to 1,225,415.40, 1,838,180.70 and 383,994.60

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Solution

The fourth proportional to 1,225,415.40, 1,838,180.70 and 383,994.60 is: 576,009.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,225,415.40 : 1,838,180.70 = 383,994.60 : x
  2. Step 2: Convert to fraction form
    1,225,415.40/1,838,180.70 = 383,994.60/x
  3. Step 3: Cross multiply
    1,225,415.40x = 1,838,180.70 × 383,994.60
  4. Step 4: Simplify right side
    1,225,415.40x = 705,851,462,624.22
  5. Step 5: Solve for x
    x = 705,851,462,624.22/1,225,415.40
  6. Step 6: Final answer
    x = 576,009.95

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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.