Home / 718,681.52-991,283.22-582,721.20

Finding the Fourth Proportional to 718,681.52, 991,283.22 and 582,721.20

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Solution

The fourth proportional to 718,681.52, 991,283.22 and 582,721.20 is: 803,752.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,681.52 : 991,283.22 = 582,721.20 : x
  2. Step 2: Convert to fraction form
    718,681.52/991,283.22 = 582,721.20/x
  3. Step 3: Cross multiply
    718,681.52x = 991,283.22 × 582,721.20
  4. Step 4: Simplify right side
    718,681.52x = 577,641,747,498.26
  5. Step 5: Solve for x
    x = 577,641,747,498.26/718,681.52
  6. Step 6: Final answer
    x = 803,752.05

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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.