Home / 1,284,257.08-1,926,001.17-805,212.86

Finding the Fourth Proportional to 1,284,257.08, 1,926,001.17 and 805,212.86

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Solution

The fourth proportional to 1,284,257.08, 1,926,001.17 and 805,212.86 is: 1,207,578.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,257.08 : 1,926,001.17 = 805,212.86 : x
  2. Step 2: Convert to fraction form
    1,284,257.08/1,926,001.17 = 805,212.86/x
  3. Step 3: Cross multiply
    1,284,257.08x = 1,926,001.17 × 805,212.86
  4. Step 4: Simplify right side
    1,284,257.08x = 1,550,840,900,829.04
  5. Step 5: Solve for x
    x = 1,550,840,900,829.04/1,284,257.08
  6. Step 6: Final answer
    x = 1,207,578.24

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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.