Home / 1,131,655.96-1,561,704.15-648,263.26

Finding the Fourth Proportional to 1,131,655.96, 1,561,704.15 and 648,263.26

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Solution

The fourth proportional to 1,131,655.96, 1,561,704.15 and 648,263.26 is: 894,614.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,655.96 : 1,561,704.15 = 648,263.26 : x
  2. Step 2: Convert to fraction form
    1,131,655.96/1,561,704.15 = 648,263.26/x
  3. Step 3: Cross multiply
    1,131,655.96x = 1,561,704.15 × 648,263.26
  4. Step 4: Simplify right side
    1,131,655.96x = 1,012,395,423,434.53
  5. Step 5: Solve for x
    x = 1,012,395,423,434.53/1,131,655.96
  6. Step 6: Final answer
    x = 894,614.14

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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.