Home / 891,239.81-1,229,902.56-483,350.66

Finding the Fourth Proportional to 891,239.81, 1,229,902.56 and 483,350.66

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Solution

The fourth proportional to 891,239.81, 1,229,902.56 and 483,350.66 is: 667,019.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,239.81 : 1,229,902.56 = 483,350.66 : x
  2. Step 2: Convert to fraction form
    891,239.81/1,229,902.56 = 483,350.66/x
  3. Step 3: Cross multiply
    891,239.81x = 1,229,902.56 × 483,350.66
  4. Step 4: Simplify right side
    891,239.81x = 594,474,207,962.18
  5. Step 5: Solve for x
    x = 594,474,207,962.18/891,239.81
  6. Step 6: Final answer
    x = 667,019.36

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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.