Home / 912,244.30-1,368,366.45-576,321.10

Finding the Fourth Proportional to 912,244.30, 1,368,366.45 and 576,321.10

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Solution

The fourth proportional to 912,244.30, 1,368,366.45 and 576,321.10 is: 864,481.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,244.30 : 1,368,366.45 = 576,321.10 : x
  2. Step 2: Convert to fraction form
    912,244.30/1,368,366.45 = 576,321.10/x
  3. Step 3: Cross multiply
    912,244.30x = 1,368,366.45 × 576,321.10
  4. Step 4: Simplify right side
    912,244.30x = 788,618,457,667.10
  5. Step 5: Solve for x
    x = 788,618,457,667.10/912,244.30
  6. Step 6: Final answer
    x = 864,481.65

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Double scale
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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.