Home / 939,592.60-1,296,641.18-509,872.71

Finding the Fourth Proportional to 939,592.60, 1,296,641.18 and 509,872.71

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Solution

The fourth proportional to 939,592.60, 1,296,641.18 and 509,872.71 is: 703,626.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,592.60 : 1,296,641.18 = 509,872.71 : x
  2. Step 2: Convert to fraction form
    939,592.60/1,296,641.18 = 509,872.71/x
  3. Step 3: Cross multiply
    939,592.60x = 1,296,641.18 × 509,872.71
  4. Step 4: Simplify right side
    939,592.60x = 661,121,952,344.20
  5. Step 5: Solve for x
    x = 661,121,952,344.20/939,592.60
  6. Step 6: Final answer
    x = 703,626.18

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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.