Home / 1,131,344.42-1,561,253.74-648,066.02

Finding the Fourth Proportional to 1,131,344.42, 1,561,253.74 and 648,066.02

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Solution

The fourth proportional to 1,131,344.42, 1,561,253.74 and 648,066.02 is: 894,330.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,344.42 : 1,561,253.74 = 648,066.02 : x
  2. Step 2: Convert to fraction form
    1,131,344.42/1,561,253.74 = 648,066.02/x
  3. Step 3: Cross multiply
    1,131,344.42x = 1,561,253.74 × 648,066.02
  4. Step 4: Simplify right side
    1,131,344.42x = 1,011,795,488,065.48
  5. Step 5: Solve for x
    x = 1,011,795,488,065.48/1,131,344.42
  6. Step 6: Final answer
    x = 894,330.21

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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.