Home / 578,635.20-797,983.68-397,026.72

Finding the Fourth Proportional to 578,635.20, 797,983.68 and 397,026.72

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Solution

The fourth proportional to 578,635.20, 797,983.68 and 397,026.72 is: 547,531.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,635.20 : 797,983.68 = 397,026.72 : x
  2. Step 2: Convert to fraction form
    578,635.20/797,983.68 = 397,026.72/x
  3. Step 3: Cross multiply
    578,635.20x = 797,983.68 × 397,026.72
  4. Step 4: Simplify right side
    578,635.20x = 316,820,843,083.93
  5. Step 5: Solve for x
    x = 316,820,843,083.93/578,635.20
  6. Step 6: Final answer
    x = 547,531.23

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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.