Home / 716,754.66-989,066.61-410,827.38

Finding the Fourth Proportional to 716,754.66, 989,066.61 and 410,827.38

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Solution

The fourth proportional to 716,754.66, 989,066.61 and 410,827.38 is: 566,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,754.66 : 989,066.61 = 410,827.38 : x
  2. Step 2: Convert to fraction form
    716,754.66/989,066.61 = 410,827.38/x
  3. Step 3: Cross multiply
    716,754.66x = 989,066.61 × 410,827.38
  4. Step 4: Simplify right side
    716,754.66x = 406,335,644,031.78
  5. Step 5: Solve for x
    x = 406,335,644,031.78/716,754.66
  6. Step 6: Final answer
    x = 566,910.36

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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.