Home / 1,137,214.75-1,569,315.16-627,906.19

Finding the Fourth Proportional to 1,137,214.75, 1,569,315.16 and 627,906.19

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Solution

The fourth proportional to 1,137,214.75, 1,569,315.16 and 627,906.19 is: 866,487.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,214.75 : 1,569,315.16 = 627,906.19 : x
  2. Step 2: Convert to fraction form
    1,137,214.75/1,569,315.16 = 627,906.19/x
  3. Step 3: Cross multiply
    1,137,214.75x = 1,569,315.16 × 627,906.19
  4. Step 4: Simplify right side
    1,137,214.75x = 985,382,703,024.84
  5. Step 5: Solve for x
    x = 985,382,703,024.84/1,137,214.75
  6. Step 6: Final answer
    x = 866,487.80

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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.