Home / 1,454,805.71-2,007,631.88-810,225.90

Finding the Fourth Proportional to 1,454,805.71, 2,007,631.88 and 810,225.90

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Solution

The fourth proportional to 1,454,805.71, 2,007,631.88 and 810,225.90 is: 1,118,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,454,805.71 : 2,007,631.88 = 810,225.90 : x
  2. Step 2: Convert to fraction form
    1,454,805.71/2,007,631.88 = 810,225.90/x
  3. Step 3: Cross multiply
    1,454,805.71x = 2,007,631.88 × 810,225.90
  4. Step 4: Simplify right side
    1,454,805.71x = 1,626,635,342,790.56
  5. Step 5: Solve for x
    x = 1,626,635,342,790.56/1,454,805.71
  6. Step 6: Final answer
    x = 1,118,111.74

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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.