Home / 623,856.10-935,784.15-618,607.30

Finding the Fourth Proportional to 623,856.10, 935,784.15 and 618,607.30

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Solution

The fourth proportional to 623,856.10, 935,784.15 and 618,607.30 is: 927,910.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,856.10 : 935,784.15 = 618,607.30 : x
  2. Step 2: Convert to fraction form
    623,856.10/935,784.15 = 618,607.30/x
  3. Step 3: Cross multiply
    623,856.10x = 935,784.15 × 618,607.30
  4. Step 4: Simplify right side
    623,856.10x = 578,882,906,414.30
  5. Step 5: Solve for x
    x = 578,882,906,414.30/623,856.10
  6. Step 6: Final answer
    x = 927,910.95

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Half scale
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Double scale
Find fourth proportional to 623,857.10, 935,785.65 and 618,608.30
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.