Home / 526,921.68-790,384.54-127,561.82

Finding the Fourth Proportional to 526,921.68, 790,384.54 and 127,561.82

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Solution

The fourth proportional to 526,921.68, 790,384.54 and 127,561.82 is: 191,343.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,921.68 : 790,384.54 = 127,561.82 : x
  2. Step 2: Convert to fraction form
    526,921.68/790,384.54 = 127,561.82/x
  3. Step 3: Cross multiply
    526,921.68x = 790,384.54 × 127,561.82
  4. Step 4: Simplify right side
    526,921.68x = 100,822,890,422.26
  5. Step 5: Solve for x
    x = 100,822,890,422.26/526,921.68
  6. Step 6: Final answer
    x = 191,343.22

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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.