Home / 731,437.82-1,008,942.83-483,081.29

Finding the Fourth Proportional to 731,437.82, 1,008,942.83 and 483,081.29

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Solution

The fourth proportional to 731,437.82, 1,008,942.83 and 483,081.29 is: 666,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,437.82 : 1,008,942.83 = 483,081.29 : x
  2. Step 2: Convert to fraction form
    731,437.82/1,008,942.83 = 483,081.29/x
  3. Step 3: Cross multiply
    731,437.82x = 1,008,942.83 × 483,081.29
  4. Step 4: Simplify right side
    731,437.82x = 487,401,403,959.60
  5. Step 5: Solve for x
    x = 487,401,403,959.60/731,437.82
  6. Step 6: Final answer
    x = 666,360.68

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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.