Home / 765,894.24-1,147,130.64-555,048

Finding the Fourth Proportional to 765,894.24, 1,147,130.64 and 555,048

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Solution

The fourth proportional to 765,894.24, 1,147,130.64 and 555,048 is: 831,332.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,894.24 : 1,147,130.64 = 555,048 : x
  2. Step 2: Convert to fraction form
    765,894.24/1,147,130.64 = 555,048/x
  3. Step 3: Cross multiply
    765,894.24x = 1,147,130.64 × 555,048
  4. Step 4: Simplify right side
    765,894.24x = 636,712,567,470.72
  5. Step 5: Solve for x
    x = 636,712,567,470.72/765,894.24
  6. Step 6: Final answer
    x = 831,332.23

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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.