Home / 932,115.60-1,286,307.20-524,217.28

Finding the Fourth Proportional to 932,115.60, 1,286,307.20 and 524,217.28

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Solution

The fourth proportional to 932,115.60, 1,286,307.20 and 524,217.28 is: 723,412.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,115.60 : 1,286,307.20 = 524,217.28 : x
  2. Step 2: Convert to fraction form
    932,115.60/1,286,307.20 = 524,217.28/x
  3. Step 3: Cross multiply
    932,115.60x = 1,286,307.20 × 524,217.28
  4. Step 4: Simplify right side
    932,115.60x = 674,304,461,628.42
  5. Step 5: Solve for x
    x = 674,304,461,628.42/932,115.60
  6. Step 6: Final answer
    x = 723,412.91

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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.