Home / 1,038,690.27-1,554,998.45-939,079.71

Finding the Fourth Proportional to 1,038,690.27, 1,554,998.45 and 939,079.71

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Solution

The fourth proportional to 1,038,690.27, 1,554,998.45 and 939,079.71 is: 1,405,873.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,690.27 : 1,554,998.45 = 939,079.71 : x
  2. Step 2: Convert to fraction form
    1,038,690.27/1,554,998.45 = 939,079.71/x
  3. Step 3: Cross multiply
    1,038,690.27x = 1,554,998.45 × 939,079.71
  4. Step 4: Simplify right side
    1,038,690.27x = 1,460,267,488,781.05
  5. Step 5: Solve for x
    x = 1,460,267,488,781.05/1,038,690.27
  6. Step 6: Final answer
    x = 1,405,873.85

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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.