Home / 730,537.92-1,008,182.16-408,248.64

Finding the Fourth Proportional to 730,537.92, 1,008,182.16 and 408,248.64

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Solution

The fourth proportional to 730,537.92, 1,008,182.16 and 408,248.64 is: 563,405.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,537.92 : 1,008,182.16 = 408,248.64 : x
  2. Step 2: Convert to fraction form
    730,537.92/1,008,182.16 = 408,248.64/x
  3. Step 3: Cross multiply
    730,537.92x = 1,008,182.16 × 408,248.64
  4. Step 4: Simplify right side
    730,537.92x = 411,588,995,692.26
  5. Step 5: Solve for x
    x = 411,588,995,692.26/730,537.92
  6. Step 6: Final answer
    x = 563,405.38

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Double scale
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Similar ratio
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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.