Home / 932,605.20-1,398,907.80-258,685.20

Finding the Fourth Proportional to 932,605.20, 1,398,907.80 and 258,685.20

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Solution

The fourth proportional to 932,605.20, 1,398,907.80 and 258,685.20 is: 388,027.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,605.20 : 1,398,907.80 = 258,685.20 : x
  2. Step 2: Convert to fraction form
    932,605.20/1,398,907.80 = 258,685.20/x
  3. Step 3: Cross multiply
    932,605.20x = 1,398,907.80 × 258,685.20
  4. Step 4: Simplify right side
    932,605.20x = 361,876,744,024.56
  5. Step 5: Solve for x
    x = 361,876,744,024.56/932,605.20
  6. Step 6: Final answer
    x = 388,027.80

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Similar ratio
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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.