Home / 517,278.83-775,918.64-247,343.42

Finding the Fourth Proportional to 517,278.83, 775,918.64 and 247,343.42

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Solution

The fourth proportional to 517,278.83, 775,918.64 and 247,343.42 is: 371,015.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,278.83 : 775,918.64 = 247,343.42 : x
  2. Step 2: Convert to fraction form
    517,278.83/775,918.64 = 247,343.42/x
  3. Step 3: Cross multiply
    517,278.83x = 775,918.64 × 247,343.42
  4. Step 4: Simplify right side
    517,278.83x = 191,918,372,617.50
  5. Step 5: Solve for x
    x = 191,918,372,617.50/517,278.83
  6. Step 6: Final answer
    x = 371,015.33

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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.