Home / 1,657,338.60-2,486,007.90-858,864.90

Finding the Fourth Proportional to 1,657,338.60, 2,486,007.90 and 858,864.90

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Solution

The fourth proportional to 1,657,338.60, 2,486,007.90 and 858,864.90 is: 1,288,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,338.60 : 2,486,007.90 = 858,864.90 : x
  2. Step 2: Convert to fraction form
    1,657,338.60/2,486,007.90 = 858,864.90/x
  3. Step 3: Cross multiply
    1,657,338.60x = 2,486,007.90 × 858,864.90
  4. Step 4: Simplify right side
    1,657,338.60x = 2,135,144,926,432.71
  5. Step 5: Solve for x
    x = 2,135,144,926,432.71/1,657,338.60
  6. Step 6: Final answer
    x = 1,288,297.35

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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.