Home / 788,817.20-1,183,225.80-227,908.40

Finding the Fourth Proportional to 788,817.20, 1,183,225.80 and 227,908.40

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Solution

The fourth proportional to 788,817.20, 1,183,225.80 and 227,908.40 is: 341,862.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,817.20 : 1,183,225.80 = 227,908.40 : x
  2. Step 2: Convert to fraction form
    788,817.20/1,183,225.80 = 227,908.40/x
  3. Step 3: Cross multiply
    788,817.20x = 1,183,225.80 × 227,908.40
  4. Step 4: Simplify right side
    788,817.20x = 269,667,098,916.72
  5. Step 5: Solve for x
    x = 269,667,098,916.72/788,817.20
  6. Step 6: Final answer
    x = 341,862.60

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Half scale
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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.