Home / 725,951.16-1,088,593.56-426,572.46

Finding the Fourth Proportional to 725,951.16, 1,088,593.56 and 426,572.46

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Solution

The fourth proportional to 725,951.16, 1,088,593.56 and 426,572.46 is: 639,662.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,951.16 : 1,088,593.56 = 426,572.46 : x
  2. Step 2: Convert to fraction form
    725,951.16/1,088,593.56 = 426,572.46/x
  3. Step 3: Cross multiply
    725,951.16x = 1,088,593.56 × 426,572.46
  4. Step 4: Simplify right side
    725,951.16x = 464,364,032,829.36
  5. Step 5: Solve for x
    x = 464,364,032,829.36/725,951.16
  6. Step 6: Final answer
    x = 639,662.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.