Home / 1,146,060.38-1,719,090.57-398,107.10

Finding the Fourth Proportional to 1,146,060.38, 1,719,090.57 and 398,107.10

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Solution

The fourth proportional to 1,146,060.38, 1,719,090.57 and 398,107.10 is: 597,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,060.38 : 1,719,090.57 = 398,107.10 : x
  2. Step 2: Convert to fraction form
    1,146,060.38/1,719,090.57 = 398,107.10/x
  3. Step 3: Cross multiply
    1,146,060.38x = 1,719,090.57 × 398,107.10
  4. Step 4: Simplify right side
    1,146,060.38x = 684,382,161,460.05
  5. Step 5: Solve for x
    x = 684,382,161,460.05/1,146,060.38
  6. Step 6: Final answer
    x = 597,160.65

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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.