Home / 731,521.70-1,095,144.15-521,569.70

Finding the Fourth Proportional to 731,521.70, 1,095,144.15 and 521,569.70

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Solution

The fourth proportional to 731,521.70, 1,095,144.15 and 521,569.70 is: 780,829.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,521.70 : 1,095,144.15 = 521,569.70 : x
  2. Step 2: Convert to fraction form
    731,521.70/1,095,144.15 = 521,569.70/x
  3. Step 3: Cross multiply
    731,521.70x = 1,095,144.15 × 521,569.70
  4. Step 4: Simplify right side
    731,521.70x = 571,194,005,772.26
  5. Step 5: Solve for x
    x = 571,194,005,772.26/731,521.70
  6. Step 6: Final answer
    x = 780,829.89

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1.5x scale

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.