Home / 704,856.18-1,057,275.10-172,381.82

Finding the Fourth Proportional to 704,856.18, 1,057,275.10 and 172,381.82

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Solution

The fourth proportional to 704,856.18, 1,057,275.10 and 172,381.82 is: 258,570.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,856.18 : 1,057,275.10 = 172,381.82 : x
  2. Step 2: Convert to fraction form
    704,856.18/1,057,275.10 = 172,381.82/x
  3. Step 3: Cross multiply
    704,856.18x = 1,057,275.10 × 172,381.82
  4. Step 4: Simplify right side
    704,856.18x = 182,255,005,978.68
  5. Step 5: Solve for x
    x = 182,255,005,978.68/704,856.18
  6. Step 6: Final answer
    x = 258,570.49

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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.