Home / 718,593.83-1,074,655.33-639,099.11

Finding the Fourth Proportional to 718,593.83, 1,074,655.33 and 639,099.11

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Solution

The fourth proportional to 718,593.83, 1,074,655.33 and 639,099.11 is: 955,771.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,593.83 : 1,074,655.33 = 639,099.11 : x
  2. Step 2: Convert to fraction form
    718,593.83/1,074,655.33 = 639,099.11/x
  3. Step 3: Cross multiply
    718,593.83x = 1,074,655.33 × 639,099.11
  4. Step 4: Simplify right side
    718,593.83x = 686,811,264,959.76
  5. Step 5: Solve for x
    x = 686,811,264,959.76/718,593.83
  6. Step 6: Final answer
    x = 955,771.17

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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.