Home / 723,207.40-1,084,811.10-605,984.20

Finding the Fourth Proportional to 723,207.40, 1,084,811.10 and 605,984.20

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Solution

The fourth proportional to 723,207.40, 1,084,811.10 and 605,984.20 is: 908,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,207.40 : 1,084,811.10 = 605,984.20 : x
  2. Step 2: Convert to fraction form
    723,207.40/1,084,811.10 = 605,984.20/x
  3. Step 3: Cross multiply
    723,207.40x = 1,084,811.10 × 605,984.20
  4. Step 4: Simplify right side
    723,207.40x = 657,378,386,584.62
  5. Step 5: Solve for x
    x = 657,378,386,584.62/723,207.40
  6. Step 6: Final answer
    x = 908,976.30

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Double scale
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Similar ratio
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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.