Home / 516,349.31-774,827.10-216,806.85

Finding the Fourth Proportional to 516,349.31, 774,827.10 and 216,806.85

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Solution

The fourth proportional to 516,349.31, 774,827.10 and 216,806.85 is: 325,337.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,349.31 : 774,827.10 = 216,806.85 : x
  2. Step 2: Convert to fraction form
    516,349.31/774,827.10 = 216,806.85/x
  3. Step 3: Cross multiply
    516,349.31x = 774,827.10 × 216,806.85
  4. Step 4: Simplify right side
    516,349.31x = 167,987,822,845.64
  5. Step 5: Solve for x
    x = 167,987,822,845.64/516,349.31
  6. Step 6: Final answer
    x = 325,337.56

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Similar ratio
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1.5x scale

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.