Home / 808,079.62-1,115,116.28-440,548.82

Finding the Fourth Proportional to 808,079.62, 1,115,116.28 and 440,548.82

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Solution

The fourth proportional to 808,079.62, 1,115,116.28 and 440,548.82 is: 607,939.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,079.62 : 1,115,116.28 = 440,548.82 : x
  2. Step 2: Convert to fraction form
    808,079.62/1,115,116.28 = 440,548.82/x
  3. Step 3: Cross multiply
    808,079.62x = 1,115,116.28 × 440,548.82
  4. Step 4: Simplify right side
    808,079.62x = 491,263,161,316.79
  5. Step 5: Solve for x
    x = 491,263,161,316.79/808,079.62
  6. Step 6: Final answer
    x = 607,939.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.