Home / 708,363.23-977,562.57-386,094.20

Finding the Fourth Proportional to 708,363.23, 977,562.57 and 386,094.20

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Solution

The fourth proportional to 708,363.23, 977,562.57 and 386,094.20 is: 532,821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,363.23 : 977,562.57 = 386,094.20 : x
  2. Step 2: Convert to fraction form
    708,363.23/977,562.57 = 386,094.20/x
  3. Step 3: Cross multiply
    708,363.23x = 977,562.57 × 386,094.20
  4. Step 4: Simplify right side
    708,363.23x = 377,431,234,974.13
  5. Step 5: Solve for x
    x = 377,431,234,974.13/708,363.23
  6. Step 6: Final answer
    x = 532,821.61

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.