Home / 749,702.40-1,033,513.22-534,468.79

Finding the Fourth Proportional to 749,702.40, 1,033,513.22 and 534,468.79

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Solution

The fourth proportional to 749,702.40, 1,033,513.22 and 534,468.79 is: 736,799.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,702.40 : 1,033,513.22 = 534,468.79 : x
  2. Step 2: Convert to fraction form
    749,702.40/1,033,513.22 = 534,468.79/x
  3. Step 3: Cross multiply
    749,702.40x = 1,033,513.22 × 534,468.79
  4. Step 4: Simplify right side
    749,702.40x = 552,380,560,142.40
  5. Step 5: Solve for x
    x = 552,380,560,142.40/749,702.40
  6. Step 6: Final answer
    x = 736,799.78

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Half scale
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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.