Home / 695,959.40-1,043,939.10-341,665.40

Finding the Fourth Proportional to 695,959.40, 1,043,939.10 and 341,665.40

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Solution

The fourth proportional to 695,959.40, 1,043,939.10 and 341,665.40 is: 512,498.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,959.40 : 1,043,939.10 = 341,665.40 : x
  2. Step 2: Convert to fraction form
    695,959.40/1,043,939.10 = 341,665.40/x
  3. Step 3: Cross multiply
    695,959.40x = 1,043,939.10 × 341,665.40
  4. Step 4: Simplify right side
    695,959.40x = 356,677,870,177.14
  5. Step 5: Solve for x
    x = 356,677,870,177.14/695,959.40
  6. Step 6: Final answer
    x = 512,498.10

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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.