Home / 1,281,079.55-1,921,619.33-523,278.59

Finding the Fourth Proportional to 1,281,079.55, 1,921,619.33 and 523,278.59

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Solution

The fourth proportional to 1,281,079.55, 1,921,619.33 and 523,278.59 is: 784,917.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,079.55 : 1,921,619.33 = 523,278.59 : x
  2. Step 2: Convert to fraction form
    1,281,079.55/1,921,619.33 = 523,278.59/x
  3. Step 3: Cross multiply
    1,281,079.55x = 1,921,619.33 × 523,278.59
  4. Step 4: Simplify right side
    1,281,079.55x = 1,005,542,243,256.95
  5. Step 5: Solve for x
    x = 1,005,542,243,256.95/1,281,079.55
  6. Step 6: Final answer
    x = 784,917.88

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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.