Home / 716,917.13-989,229.86-410,937.20

Finding the Fourth Proportional to 716,917.13, 989,229.86 and 410,937.20

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Solution

The fourth proportional to 716,917.13, 989,229.86 and 410,937.20 is: 567,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,917.13 : 989,229.86 = 410,937.20 : x
  2. Step 2: Convert to fraction form
    716,917.13/989,229.86 = 410,937.20/x
  3. Step 3: Cross multiply
    716,917.13x = 989,229.86 × 410,937.20
  4. Step 4: Simplify right side
    716,917.13x = 406,511,341,823.96
  5. Step 5: Solve for x
    x = 406,511,341,823.96/716,917.13
  6. Step 6: Final answer
    x = 567,026.97

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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.