Home / 452,024.20-678,036.30-115,064.20

Finding the Fourth Proportional to 452,024.20, 678,036.30 and 115,064.20

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Solution

The fourth proportional to 452,024.20, 678,036.30 and 115,064.20 is: 172,596.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,024.20 : 678,036.30 = 115,064.20 : x
  2. Step 2: Convert to fraction form
    452,024.20/678,036.30 = 115,064.20/x
  3. Step 3: Cross multiply
    452,024.20x = 678,036.30 × 115,064.20
  4. Step 4: Simplify right side
    452,024.20x = 78,017,704,430.46
  5. Step 5: Solve for x
    x = 78,017,704,430.46/452,024.20
  6. Step 6: Final answer
    x = 172,596.30

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Similar ratio
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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.