Home / 525,531.60-725,233.56-283,814.16

Finding the Fourth Proportional to 525,531.60, 725,233.56 and 283,814.16

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Solution

The fourth proportional to 525,531.60, 725,233.56 and 283,814.16 is: 391,663.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,531.60 : 725,233.56 = 283,814.16 : x
  2. Step 2: Convert to fraction form
    525,531.60/725,233.56 = 283,814.16/x
  3. Step 3: Cross multiply
    525,531.60x = 725,233.56 × 283,814.16
  4. Step 4: Simplify right side
    525,531.60x = 205,831,553,635.21
  5. Step 5: Solve for x
    x = 205,831,553,635.21/525,531.60
  6. Step 6: Final answer
    x = 391,663.51

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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.