Home / 928,850.19-1,281,827.93-521,042.73

Finding the Fourth Proportional to 928,850.19, 1,281,827.93 and 521,042.73

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Solution

The fourth proportional to 928,850.19, 1,281,827.93 and 521,042.73 is: 719,047.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,850.19 : 1,281,827.93 = 521,042.73 : x
  2. Step 2: Convert to fraction form
    928,850.19/1,281,827.93 = 521,042.73/x
  3. Step 3: Cross multiply
    928,850.19x = 1,281,827.93 × 521,042.73
  4. Step 4: Simplify right side
    928,850.19x = 667,887,124,037.45
  5. Step 5: Solve for x
    x = 667,887,124,037.45/928,850.19
  6. Step 6: Final answer
    x = 719,047.20

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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.