Home / 527,119.66-790,854.45-172,145.26

Finding the Fourth Proportional to 527,119.66, 790,854.45 and 172,145.26

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Solution

The fourth proportional to 527,119.66, 790,854.45 and 172,145.26 is: 258,275.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,119.66 : 790,854.45 = 172,145.26 : x
  2. Step 2: Convert to fraction form
    527,119.66/790,854.45 = 172,145.26/x
  3. Step 3: Cross multiply
    527,119.66x = 790,854.45 × 172,145.26
  4. Step 4: Simplify right side
    527,119.66x = 136,141,844,917.41
  5. Step 5: Solve for x
    x = 136,141,844,917.41/527,119.66
  6. Step 6: Final answer
    x = 258,275.03

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1.5x scale

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.