Home / 916,138.98-1,373,544.18-615,874.83

Finding the Fourth Proportional to 916,138.98, 1,373,544.18 and 615,874.83

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Solution

The fourth proportional to 916,138.98, 1,373,544.18 and 615,874.83 is: 923,365.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,138.98 : 1,373,544.18 = 615,874.83 : x
  2. Step 2: Convert to fraction form
    916,138.98/1,373,544.18 = 615,874.83/x
  3. Step 3: Cross multiply
    916,138.98x = 1,373,544.18 × 615,874.83
  4. Step 4: Simplify right side
    916,138.98x = 845,931,288,354.99
  5. Step 5: Solve for x
    x = 845,931,288,354.99/916,138.98
  6. Step 6: Final answer
    x = 923,365.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.