Home / 526,921.56-790,384.35-127,561.68

Finding the Fourth Proportional to 526,921.56, 790,384.35 and 127,561.68

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Solution

The fourth proportional to 526,921.56, 790,384.35 and 127,561.68 is: 191,343.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,921.56 : 790,384.35 = 127,561.68 : x
  2. Step 2: Convert to fraction form
    526,921.56/790,384.35 = 127,561.68/x
  3. Step 3: Cross multiply
    526,921.56x = 790,384.35 × 127,561.68
  4. Step 4: Simplify right side
    526,921.56x = 100,822,755,531.71
  5. Step 5: Solve for x
    x = 100,822,755,531.71/526,921.56
  6. Step 6: Final answer
    x = 191,343.01

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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.