Home / 961,397.52-1,326,828.24-553,513.92

Finding the Fourth Proportional to 961,397.52, 1,326,828.24 and 553,513.92

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Solution

The fourth proportional to 961,397.52, 1,326,828.24 and 553,513.92 is: 763,906.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,397.52 : 1,326,828.24 = 553,513.92 : x
  2. Step 2: Convert to fraction form
    961,397.52/1,326,828.24 = 553,513.92/x
  3. Step 3: Cross multiply
    961,397.52x = 1,326,828.24 × 553,513.92
  4. Step 4: Simplify right side
    961,397.52x = 734,417,900,289.10
  5. Step 5: Solve for x
    x = 734,417,900,289.10/961,397.52
  6. Step 6: Final answer
    x = 763,906.59

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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.