Home / 674,749.10-930,550.68-559,845.86

Finding the Fourth Proportional to 674,749.10, 930,550.68 and 559,845.86

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Solution

The fourth proportional to 674,749.10, 930,550.68 and 559,845.86 is: 772,086.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,749.10 : 930,550.68 = 559,845.86 : x
  2. Step 2: Convert to fraction form
    674,749.10/930,550.68 = 559,845.86/x
  3. Step 3: Cross multiply
    674,749.10x = 930,550.68 × 559,845.86
  4. Step 4: Simplify right side
    674,749.10x = 520,964,941,065.43
  5. Step 5: Solve for x
    x = 520,964,941,065.43/674,749.10
  6. Step 6: Final answer
    x = 772,086.91

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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.