Home / 1,585,067.32-2,377,678.74-638,310.16

Finding the Fourth Proportional to 1,585,067.32, 2,377,678.74 and 638,310.16

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Solution

The fourth proportional to 1,585,067.32, 2,377,678.74 and 638,310.16 is: 957,496.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,067.32 : 2,377,678.74 = 638,310.16 : x
  2. Step 2: Convert to fraction form
    1,585,067.32/2,377,678.74 = 638,310.16/x
  3. Step 3: Cross multiply
    1,585,067.32x = 2,377,678.74 × 638,310.16
  4. Step 4: Simplify right side
    1,585,067.32x = 1,517,696,496,958.00
  5. Step 5: Solve for x
    x = 1,517,696,496,958.00/1,585,067.32
  6. Step 6: Final answer
    x = 957,496.55

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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.