Home / 730,531.49-1,008,134.82-408,241.58

Finding the Fourth Proportional to 730,531.49, 1,008,134.82 and 408,241.58

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Solution

The fourth proportional to 730,531.49, 1,008,134.82 and 408,241.58 is: 563,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,531.49 : 1,008,134.82 = 408,241.58 : x
  2. Step 2: Convert to fraction form
    730,531.49/1,008,134.82 = 408,241.58/x
  3. Step 3: Cross multiply
    730,531.49x = 1,008,134.82 × 408,241.58
  4. Step 4: Simplify right side
    730,531.49x = 411,562,549,728.61
  5. Step 5: Solve for x
    x = 411,562,549,728.61/730,531.49
  6. Step 6: Final answer
    x = 563,374.14

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Double scale
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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.