Home / 1,137,208.75-1,569,306.88-627,900.19

Finding the Fourth Proportional to 1,137,208.75, 1,569,306.88 and 627,900.19

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Solution

The fourth proportional to 1,137,208.75, 1,569,306.88 and 627,900.19 is: 866,479.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,208.75 : 1,569,306.88 = 627,900.19 : x
  2. Step 2: Convert to fraction form
    1,137,208.75/1,569,306.88 = 627,900.19/x
  3. Step 3: Cross multiply
    1,137,208.75x = 1,569,306.88 × 627,900.19
  4. Step 4: Simplify right side
    1,137,208.75x = 985,368,088,120.31
  5. Step 5: Solve for x
    x = 985,368,088,120.31/1,137,208.75
  6. Step 6: Final answer
    x = 866,479.52

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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.