Home / 731,515.76-1,009,493.24-409,231.24

Finding the Fourth Proportional to 731,515.76, 1,009,493.24 and 409,231.24

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Solution

The fourth proportional to 731,515.76, 1,009,493.24 and 409,231.24 is: 564,739.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,515.76 : 1,009,493.24 = 409,231.24 : x
  2. Step 2: Convert to fraction form
    731,515.76/1,009,493.24 = 409,231.24/x
  3. Step 3: Cross multiply
    731,515.76x = 1,009,493.24 × 409,231.24
  4. Step 4: Simplify right side
    731,515.76x = 413,116,170,376.82
  5. Step 5: Solve for x
    x = 413,116,170,376.82/731,515.76
  6. Step 6: Final answer
    x = 564,739.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.