Home / 526,921.55-790,384.36-127,561.69

Finding the Fourth Proportional to 526,921.55, 790,384.36 and 127,561.69

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Solution

The fourth proportional to 526,921.55, 790,384.36 and 127,561.69 is: 191,343.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,921.55 : 790,384.36 = 127,561.69 : x
  2. Step 2: Convert to fraction form
    526,921.55/790,384.36 = 127,561.69/x
  3. Step 3: Cross multiply
    526,921.55x = 790,384.36 × 127,561.69
  4. Step 4: Simplify right side
    526,921.55x = 100,822,762,416.30
  5. Step 5: Solve for x
    x = 100,822,762,416.30/526,921.55
  6. Step 6: Final answer
    x = 191,343.02

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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.