Home / 755,146.80-1,134,032.40-731,527.20

Finding the Fourth Proportional to 755,146.80, 1,134,032.40 and 731,527.20

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Solution

The fourth proportional to 755,146.80, 1,134,032.40 and 731,527.20 is: 1,098,561.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,146.80 : 1,134,032.40 = 731,527.20 : x
  2. Step 2: Convert to fraction form
    755,146.80/1,134,032.40 = 731,527.20/x
  3. Step 3: Cross multiply
    755,146.80x = 1,134,032.40 × 731,527.20
  4. Step 4: Simplify right side
    755,146.80x = 829,575,546,281.28
  5. Step 5: Solve for x
    x = 829,575,546,281.28/755,146.80
  6. Step 6: Final answer
    x = 1,098,561.96

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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.