Home / 1,137,207.75-1,569,305.50-627,899.19

Finding the Fourth Proportional to 1,137,207.75, 1,569,305.50 and 627,899.19

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Solution

The fourth proportional to 1,137,207.75, 1,569,305.50 and 627,899.19 is: 866,478.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,207.75 : 1,569,305.50 = 627,899.19 : x
  2. Step 2: Convert to fraction form
    1,137,207.75/1,569,305.50 = 627,899.19/x
  3. Step 3: Cross multiply
    1,137,207.75x = 1,569,305.50 × 627,899.19
  4. Step 4: Simplify right side
    1,137,207.75x = 985,365,652,312.55
  5. Step 5: Solve for x
    x = 985,365,652,312.55/1,137,207.75
  6. Step 6: Final answer
    x = 866,478.14

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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.