Home / 783,124.20-1,174,686.30-482,630.40

Finding the Fourth Proportional to 783,124.20, 1,174,686.30 and 482,630.40

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Solution

The fourth proportional to 783,124.20, 1,174,686.30 and 482,630.40 is: 723,945.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,124.20 : 1,174,686.30 = 482,630.40 : x
  2. Step 2: Convert to fraction form
    783,124.20/1,174,686.30 = 482,630.40/x
  3. Step 3: Cross multiply
    783,124.20x = 1,174,686.30 × 482,630.40
  4. Step 4: Simplify right side
    783,124.20x = 566,939,318,843.52
  5. Step 5: Solve for x
    x = 566,939,318,843.52/783,124.20
  6. Step 6: Final answer
    x = 723,945.60

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Double scale
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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.