Home / 719,256.06-992,575.42-392,572.06

Finding the Fourth Proportional to 719,256.06, 992,575.42 and 392,572.06

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Solution

The fourth proportional to 719,256.06, 992,575.42 and 392,572.06 is: 541,750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,256.06 : 992,575.42 = 392,572.06 : x
  2. Step 2: Convert to fraction form
    719,256.06/992,575.42 = 392,572.06/x
  3. Step 3: Cross multiply
    719,256.06x = 992,575.42 × 392,572.06
  4. Step 4: Simplify right side
    719,256.06x = 389,657,377,334.77
  5. Step 5: Solve for x
    x = 389,657,377,334.77/719,256.06
  6. Step 6: Final answer
    x = 541,750.57

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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.