Home / 1,008,079.15-1,512,118.73-448,207.15

Finding the Fourth Proportional to 1,008,079.15, 1,512,118.73 and 448,207.15

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Solution

The fourth proportional to 1,008,079.15, 1,512,118.73 and 448,207.15 is: 672,310.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,079.15 : 1,512,118.73 = 448,207.15 : x
  2. Step 2: Convert to fraction form
    1,008,079.15/1,512,118.73 = 448,207.15/x
  3. Step 3: Cross multiply
    1,008,079.15x = 1,512,118.73 × 448,207.15
  4. Step 4: Simplify right side
    1,008,079.15x = 677,742,426,434.92
  5. Step 5: Solve for x
    x = 677,742,426,434.92/1,008,079.15
  6. Step 6: Final answer
    x = 672,310.73

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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.