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Finding the Fourth Proportional to 822,155.16, 1,134,757.14 and 499,797

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Solution

The fourth proportional to 822,155.16, 1,134,757.14 and 499,797 is: 689,831.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,155.16 : 1,134,757.14 = 499,797 : x
  2. Step 2: Convert to fraction form
    822,155.16/1,134,757.14 = 499,797/x
  3. Step 3: Cross multiply
    822,155.16x = 1,134,757.14 × 499,797
  4. Step 4: Simplify right side
    822,155.16x = 567,148,214,300.58
  5. Step 5: Solve for x
    x = 567,148,214,300.58/822,155.16
  6. Step 6: Final answer
    x = 689,831.12

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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.