Home / 711,335.20-1,064,410.80-524,711.20

Finding the Fourth Proportional to 711,335.20, 1,064,410.80 and 524,711.20

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Solution

The fourth proportional to 711,335.20, 1,064,410.80 and 524,711.20 is: 785,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,335.20 : 1,064,410.80 = 524,711.20 : x
  2. Step 2: Convert to fraction form
    711,335.20/1,064,410.80 = 524,711.20/x
  3. Step 3: Cross multiply
    711,335.20x = 1,064,410.80 × 524,711.20
  4. Step 4: Simplify right side
    711,335.20x = 558,508,268,160.96
  5. Step 5: Solve for x
    x = 558,508,268,160.96/711,335.20
  6. Step 6: Final answer
    x = 785,154.83

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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.