Home / 932,269.42-1,398,400.14-258,348.80

Finding the Fourth Proportional to 932,269.42, 1,398,400.14 and 258,348.80

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Solution

The fourth proportional to 932,269.42, 1,398,400.14 and 258,348.80 is: 387,522.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,269.42 : 1,398,400.14 = 258,348.80 : x
  2. Step 2: Convert to fraction form
    932,269.42/1,398,400.14 = 258,348.80/x
  3. Step 3: Cross multiply
    932,269.42x = 1,398,400.14 × 258,348.80
  4. Step 4: Simplify right side
    932,269.42x = 361,274,998,088.83
  5. Step 5: Solve for x
    x = 361,274,998,088.83/932,269.42
  6. Step 6: Final answer
    x = 387,522.09

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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.