Home / 830,541.60-1,245,812.40-269,576.10

Finding the Fourth Proportional to 830,541.60, 1,245,812.40 and 269,576.10

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Solution

The fourth proportional to 830,541.60, 1,245,812.40 and 269,576.10 is: 404,364.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,541.60 : 1,245,812.40 = 269,576.10 : x
  2. Step 2: Convert to fraction form
    830,541.60/1,245,812.40 = 269,576.10/x
  3. Step 3: Cross multiply
    830,541.60x = 1,245,812.40 × 269,576.10
  4. Step 4: Simplify right side
    830,541.60x = 335,841,248,123.64
  5. Step 5: Solve for x
    x = 335,841,248,123.64/830,541.60
  6. Step 6: Final answer
    x = 404,364.15

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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.