Home / 921,986.28-1,272,354.66-514,076.04

Finding the Fourth Proportional to 921,986.28, 1,272,354.66 and 514,076.04

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Solution

The fourth proportional to 921,986.28, 1,272,354.66 and 514,076.04 is: 709,432.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,986.28 : 1,272,354.66 = 514,076.04 : x
  2. Step 2: Convert to fraction form
    921,986.28/1,272,354.66 = 514,076.04/x
  3. Step 3: Cross multiply
    921,986.28x = 1,272,354.66 × 514,076.04
  4. Step 4: Simplify right side
    921,986.28x = 654,087,045,088.35
  5. Step 5: Solve for x
    x = 654,087,045,088.35/921,986.28
  6. Step 6: Final answer
    x = 709,432.51

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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.