Home / 861,209.29-1,292,000.63-262,154.79

Finding the Fourth Proportional to 861,209.29, 1,292,000.63 and 262,154.79

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Solution

The fourth proportional to 861,209.29, 1,292,000.63 and 262,154.79 is: 393,289.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    861,209.29 : 1,292,000.63 = 262,154.79 : x
  2. Step 2: Convert to fraction form
    861,209.29/1,292,000.63 = 262,154.79/x
  3. Step 3: Cross multiply
    861,209.29x = 1,292,000.63 × 262,154.79
  4. Step 4: Simplify right side
    861,209.29x = 338,704,153,837.52
  5. Step 5: Solve for x
    x = 338,704,153,837.52/861,209.29
  6. Step 6: Final answer
    x = 393,289.02

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