Home / 856,641.20-1,182,171.85-474,674.36

Finding the Fourth Proportional to 856,641.20, 1,182,171.85 and 474,674.36

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Solution

The fourth proportional to 856,641.20, 1,182,171.85 and 474,674.36 is: 655,054.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,641.20 : 1,182,171.85 = 474,674.36 : x
  2. Step 2: Convert to fraction form
    856,641.20/1,182,171.85 = 474,674.36/x
  3. Step 3: Cross multiply
    856,641.20x = 1,182,171.85 × 474,674.36
  4. Step 4: Simplify right side
    856,641.20x = 561,146,659,211.22
  5. Step 5: Solve for x
    x = 561,146,659,211.22/856,641.20
  6. Step 6: Final answer
    x = 655,054.49

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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.