Home / 932,607.20-1,398,910.80-258,687.20

Finding the Fourth Proportional to 932,607.20, 1,398,910.80 and 258,687.20

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Solution

The fourth proportional to 932,607.20, 1,398,910.80 and 258,687.20 is: 388,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,607.20 : 1,398,910.80 = 258,687.20 : x
  2. Step 2: Convert to fraction form
    932,607.20/1,398,910.80 = 258,687.20/x
  3. Step 3: Cross multiply
    932,607.20x = 1,398,910.80 × 258,687.20
  4. Step 4: Simplify right side
    932,607.20x = 361,880,317,901.76
  5. Step 5: Solve for x
    x = 361,880,317,901.76/932,607.20
  6. Step 6: Final answer
    x = 388,030.80

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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.