Home / 1,177,541.42-1,625,002.56-661,223.52

Finding the Fourth Proportional to 1,177,541.42, 1,625,002.56 and 661,223.52

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Solution

The fourth proportional to 1,177,541.42, 1,625,002.56 and 661,223.52 is: 912,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,541.42 : 1,625,002.56 = 661,223.52 : x
  2. Step 2: Convert to fraction form
    1,177,541.42/1,625,002.56 = 661,223.52/x
  3. Step 3: Cross multiply
    1,177,541.42x = 1,625,002.56 × 661,223.52
  4. Step 4: Simplify right side
    1,177,541.42x = 1,074,489,912,732.21
  5. Step 5: Solve for x
    x = 1,074,489,912,732.21/1,177,541.42
  6. Step 6: Final answer
    x = 912,485.88

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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.