Home / 662,257.69-913,935.14-469,011.13

Finding the Fourth Proportional to 662,257.69, 913,935.14 and 469,011.13

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Solution

The fourth proportional to 662,257.69, 913,935.14 and 469,011.13 is: 647,249.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,257.69 : 913,935.14 = 469,011.13 : x
  2. Step 2: Convert to fraction form
    662,257.69/913,935.14 = 469,011.13/x
  3. Step 3: Cross multiply
    662,257.69x = 913,935.14 × 469,011.13
  4. Step 4: Simplify right side
    662,257.69x = 428,645,749,360.96
  5. Step 5: Solve for x
    x = 428,645,749,360.96/662,257.69
  6. Step 6: Final answer
    x = 647,249.19

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Double scale
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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.