Home / 931,712.20-1,397,762.70-532,025.80

Finding the Fourth Proportional to 931,712.20, 1,397,762.70 and 532,025.80

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Solution

The fourth proportional to 931,712.20, 1,397,762.70 and 532,025.80 is: 798,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,712.20 : 1,397,762.70 = 532,025.80 : x
  2. Step 2: Convert to fraction form
    931,712.20/1,397,762.70 = 532,025.80/x
  3. Step 3: Cross multiply
    931,712.20x = 1,397,762.70 × 532,025.80
  4. Step 4: Simplify right side
    931,712.20x = 743,645,818,677.66
  5. Step 5: Solve for x
    x = 743,645,818,677.66/931,712.20
  6. Step 6: Final answer
    x = 798,149.71

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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.