Home / 1,436,106.81-1,981,941.35-791,641.65

Finding the Fourth Proportional to 1,436,106.81, 1,981,941.35 and 791,641.65

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Solution

The fourth proportional to 1,436,106.81, 1,981,941.35 and 791,641.65 is: 1,092,528.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,106.81 : 1,981,941.35 = 791,641.65 : x
  2. Step 2: Convert to fraction form
    1,436,106.81/1,981,941.35 = 791,641.65/x
  3. Step 3: Cross multiply
    1,436,106.81x = 1,981,941.35 × 791,641.65
  4. Step 4: Simplify right side
    1,436,106.81x = 1,568,987,316,559.02
  5. Step 5: Solve for x
    x = 1,568,987,316,559.02/1,436,106.81
  6. Step 6: Final answer
    x = 1,092,528.29

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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.