Home / 1,258,934.77-1,888,960.32-659,753.47

Finding the Fourth Proportional to 1,258,934.77, 1,888,960.32 and 659,753.47

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Solution

The fourth proportional to 1,258,934.77, 1,888,960.32 and 659,753.47 is: 989,922.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,934.77 : 1,888,960.32 = 659,753.47 : x
  2. Step 2: Convert to fraction form
    1,258,934.77/1,888,960.32 = 659,753.47/x
  3. Step 3: Cross multiply
    1,258,934.77x = 1,888,960.32 × 659,753.47
  4. Step 4: Simplify right side
    1,258,934.77x = 1,246,248,125,812.31
  5. Step 5: Solve for x
    x = 1,246,248,125,812.31/1,258,934.77
  6. Step 6: Final answer
    x = 989,922.72

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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.