Home / 578,297.43-866,459.07-409,537.38

Finding the Fourth Proportional to 578,297.43, 866,459.07 and 409,537.38

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Solution

The fourth proportional to 578,297.43, 866,459.07 and 409,537.38 is: 613,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,297.43 : 866,459.07 = 409,537.38 : x
  2. Step 2: Convert to fraction form
    578,297.43/866,459.07 = 409,537.38/x
  3. Step 3: Cross multiply
    578,297.43x = 866,459.07 × 409,537.38
  4. Step 4: Simplify right side
    578,297.43x = 354,847,377,405.04
  5. Step 5: Solve for x
    x = 354,847,377,405.04/578,297.43
  6. Step 6: Final answer
    x = 613,607.05

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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.