Home / 1,675,565.32-2,312,211.54-911,619.64

Finding the Fourth Proportional to 1,675,565.32, 2,312,211.54 and 911,619.64

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Solution

The fourth proportional to 1,675,565.32, 2,312,211.54 and 911,619.64 is: 1,257,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675,565.32 : 2,312,211.54 = 911,619.64 : x
  2. Step 2: Convert to fraction form
    1,675,565.32/2,312,211.54 = 911,619.64/x
  3. Step 3: Cross multiply
    1,675,565.32x = 2,312,211.54 × 911,619.64
  4. Step 4: Simplify right side
    1,675,565.32x = 2,107,857,451,698.65
  5. Step 5: Solve for x
    x = 2,107,857,451,698.65/1,675,565.32
  6. Step 6: Final answer
    x = 1,257,997.78

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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.