Home / 627,939.85-866,547.09-341,457.43

Finding the Fourth Proportional to 627,939.85, 866,547.09 and 341,457.43

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Solution

The fourth proportional to 627,939.85, 866,547.09 and 341,457.43 is: 471,205.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,939.85 : 866,547.09 = 341,457.43 : x
  2. Step 2: Convert to fraction form
    627,939.85/866,547.09 = 341,457.43/x
  3. Step 3: Cross multiply
    627,939.85x = 866,547.09 × 341,457.43
  4. Step 4: Simplify right side
    627,939.85x = 295,888,937,992.64
  5. Step 5: Solve for x
    x = 295,888,937,992.64/627,939.85
  6. Step 6: Final answer
    x = 471,205.87

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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.