Home / 731,534.24-1,009,469.76-409,189.16

Finding the Fourth Proportional to 731,534.24, 1,009,469.76 and 409,189.16

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Solution

The fourth proportional to 731,534.24, 1,009,469.76 and 409,189.16 is: 564,654.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,534.24 : 1,009,469.76 = 409,189.16 : x
  2. Step 2: Convert to fraction form
    731,534.24/1,009,469.76 = 409,189.16/x
  3. Step 3: Cross multiply
    731,534.24x = 1,009,469.76 × 409,189.16
  4. Step 4: Simplify right side
    731,534.24x = 413,064,083,139.80
  5. Step 5: Solve for x
    x = 413,064,083,139.80/731,534.24
  6. Step 6: Final answer
    x = 564,654.48

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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.