Home / 887,599.52-1,224,892.94-479,700.40

Finding the Fourth Proportional to 887,599.52, 1,224,892.94 and 479,700.40

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Solution

The fourth proportional to 887,599.52, 1,224,892.94 and 479,700.40 is: 661,989.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,599.52 : 1,224,892.94 = 479,700.40 : x
  2. Step 2: Convert to fraction form
    887,599.52/1,224,892.94 = 479,700.40/x
  3. Step 3: Cross multiply
    887,599.52x = 1,224,892.94 × 479,700.40
  4. Step 4: Simplify right side
    887,599.52x = 587,581,633,275.18
  5. Step 5: Solve for x
    x = 587,581,633,275.18/887,599.52
  6. Step 6: Final answer
    x = 661,989.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.