Home / 1,707,657.60-2,558,116.80-866,812.80

Finding the Fourth Proportional to 1,707,657.60, 2,558,116.80 and 866,812.80

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Solution

The fourth proportional to 1,707,657.60, 2,558,116.80 and 866,812.80 is: 1,298,508.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707,657.60 : 2,558,116.80 = 866,812.80 : x
  2. Step 2: Convert to fraction form
    1,707,657.60/2,558,116.80 = 866,812.80/x
  3. Step 3: Cross multiply
    1,707,657.60x = 2,558,116.80 × 866,812.80
  4. Step 4: Simplify right side
    1,707,657.60x = 2,217,408,386,135.04
  5. Step 5: Solve for x
    x = 2,217,408,386,135.04/1,707,657.60
  6. Step 6: Final answer
    x = 1,298,508.78

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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.