Home / 866,249.40-1,299,374.10-656,297.40

Finding the Fourth Proportional to 866,249.40, 1,299,374.10 and 656,297.40

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Solution

The fourth proportional to 866,249.40, 1,299,374.10 and 656,297.40 is: 984,446.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,249.40 : 1,299,374.10 = 656,297.40 : x
  2. Step 2: Convert to fraction form
    866,249.40/1,299,374.10 = 656,297.40/x
  3. Step 3: Cross multiply
    866,249.40x = 1,299,374.10 × 656,297.40
  4. Step 4: Simplify right side
    866,249.40x = 852,775,843,457.34
  5. Step 5: Solve for x
    x = 852,775,843,457.34/866,249.40
  6. Step 6: Final answer
    x = 984,446.10

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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.