Home / 773,543.46-1,067,626.35-487,153.38

Finding the Fourth Proportional to 773,543.46, 1,067,626.35 and 487,153.38

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Solution

The fourth proportional to 773,543.46, 1,067,626.35 and 487,153.38 is: 672,357.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,543.46 : 1,067,626.35 = 487,153.38 : x
  2. Step 2: Convert to fraction form
    773,543.46/1,067,626.35 = 487,153.38/x
  3. Step 3: Cross multiply
    773,543.46x = 1,067,626.35 × 487,153.38
  4. Step 4: Simplify right side
    773,543.46x = 520,097,784,979.56
  5. Step 5: Solve for x
    x = 520,097,784,979.56/773,543.46
  6. Step 6: Final answer
    x = 672,357.55

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Double scale
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1.5x scale

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.