Home / 838,344.30-1,257,516.45-269,724.30

Finding the Fourth Proportional to 838,344.30, 1,257,516.45 and 269,724.30

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Solution

The fourth proportional to 838,344.30, 1,257,516.45 and 269,724.30 is: 404,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,344.30 : 1,257,516.45 = 269,724.30 : x
  2. Step 2: Convert to fraction form
    838,344.30/1,257,516.45 = 269,724.30/x
  3. Step 3: Cross multiply
    838,344.30x = 1,257,516.45 × 269,724.30
  4. Step 4: Simplify right side
    838,344.30x = 339,182,744,214.74
  5. Step 5: Solve for x
    x = 339,182,744,214.74/838,344.30
  6. Step 6: Final answer
    x = 404,586.45

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Half scale
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Double scale
Find fourth proportional to 838,345.30, 1,257,517.95 and 269,725.30
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.