Home / 1,486,217.19-2,050,991.78-807,158.55

Finding the Fourth Proportional to 1,486,217.19, 2,050,991.78 and 807,158.55

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Solution

The fourth proportional to 1,486,217.19, 2,050,991.78 and 807,158.55 is: 1,113,885.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486,217.19 : 2,050,991.78 = 807,158.55 : x
  2. Step 2: Convert to fraction form
    1,486,217.19/2,050,991.78 = 807,158.55/x
  3. Step 3: Cross multiply
    1,486,217.19x = 2,050,991.78 × 807,158.55
  4. Step 4: Simplify right side
    1,486,217.19x = 1,655,475,547,170.93
  5. Step 5: Solve for x
    x = 1,655,475,547,170.93/1,486,217.19
  6. Step 6: Final answer
    x = 1,113,885.34

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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.