Home / 762,673.46-1,053,882.02-555,581.43

Finding the Fourth Proportional to 762,673.46, 1,053,882.02 and 555,581.43

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Solution

The fourth proportional to 762,673.46, 1,053,882.02 and 555,581.43 is: 767,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,673.46 : 1,053,882.02 = 555,581.43 : x
  2. Step 2: Convert to fraction form
    762,673.46/1,053,882.02 = 555,581.43/x
  3. Step 3: Cross multiply
    762,673.46x = 1,053,882.02 × 555,581.43
  4. Step 4: Simplify right side
    762,673.46x = 585,517,281,111.84
  5. Step 5: Solve for x
    x = 585,517,281,111.84/762,673.46
  6. Step 6: Final answer
    x = 767,716.87

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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.