Home / 574,934.66-787,663.30-553,386.22

Finding the Fourth Proportional to 574,934.66, 787,663.30 and 553,386.22

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Solution

The fourth proportional to 574,934.66, 787,663.30 and 553,386.22 is: 758,141.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,934.66 : 787,663.30 = 553,386.22 : x
  2. Step 2: Convert to fraction form
    574,934.66/787,663.30 = 553,386.22/x
  3. Step 3: Cross multiply
    574,934.66x = 787,663.30 × 553,386.22
  4. Step 4: Simplify right side
    574,934.66x = 435,882,016,219.73
  5. Step 5: Solve for x
    x = 435,882,016,219.73/574,934.66
  6. Step 6: Final answer
    x = 758,141.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.