Home / 914,939.28-1,262,616.52-557,243.28

Finding the Fourth Proportional to 914,939.28, 1,262,616.52 and 557,243.28

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Solution

The fourth proportional to 914,939.28, 1,262,616.52 and 557,243.28 is: 768,995.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,939.28 : 1,262,616.52 = 557,243.28 : x
  2. Step 2: Convert to fraction form
    914,939.28/1,262,616.52 = 557,243.28/x
  3. Step 3: Cross multiply
    914,939.28x = 1,262,616.52 × 557,243.28
  4. Step 4: Simplify right side
    914,939.28x = 703,584,570,986.99
  5. Step 5: Solve for x
    x = 703,584,570,986.99/914,939.28
  6. Step 6: Final answer
    x = 768,995.92

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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.