Home / 525,697.02-725,461.38-283,979.52

Finding the Fourth Proportional to 525,697.02, 725,461.38 and 283,979.52

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Solution

The fourth proportional to 525,697.02, 725,461.38 and 283,979.52 is: 391,891.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,697.02 : 725,461.38 = 283,979.52 : x
  2. Step 2: Convert to fraction form
    525,697.02/725,461.38 = 283,979.52/x
  3. Step 3: Cross multiply
    525,697.02x = 725,461.38 × 283,979.52
  4. Step 4: Simplify right side
    525,697.02x = 206,016,174,470.94
  5. Step 5: Solve for x
    x = 206,016,174,470.94/525,697.02
  6. Step 6: Final answer
    x = 391,891.46

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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.