Home / 689,461.16-1,034,191.71-216,184.64

Finding the Fourth Proportional to 689,461.16, 1,034,191.71 and 216,184.64

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Solution

The fourth proportional to 689,461.16, 1,034,191.71 and 216,184.64 is: 324,276.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,461.16 : 1,034,191.71 = 216,184.64 : x
  2. Step 2: Convert to fraction form
    689,461.16/1,034,191.71 = 216,184.64/x
  3. Step 3: Cross multiply
    689,461.16x = 1,034,191.71 × 216,184.64
  4. Step 4: Simplify right side
    689,461.16x = 223,576,357,346.38
  5. Step 5: Solve for x
    x = 223,576,357,346.38/689,461.16
  6. Step 6: Final answer
    x = 324,276.95

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Double scale
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Similar ratio
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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.