Home / 1,451,110.46-2,176,714.85-386,153.55

Finding the Fourth Proportional to 1,451,110.46, 2,176,714.85 and 386,153.55

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Solution

The fourth proportional to 1,451,110.46, 2,176,714.85 and 386,153.55 is: 579,243.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,110.46 : 2,176,714.85 = 386,153.55 : x
  2. Step 2: Convert to fraction form
    1,451,110.46/2,176,714.85 = 386,153.55/x
  3. Step 3: Cross multiply
    1,451,110.46x = 2,176,714.85 × 386,153.55
  4. Step 4: Simplify right side
    1,451,110.46x = 840,546,164,734.45
  5. Step 5: Solve for x
    x = 840,546,164,734.45/1,451,110.46
  6. Step 6: Final answer
    x = 579,243.40

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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.