Home / 1,532,781.81-2,115,403.89-844,522.86

Finding the Fourth Proportional to 1,532,781.81, 2,115,403.89 and 844,522.86

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Solution

The fourth proportional to 1,532,781.81, 2,115,403.89 and 844,522.86 is: 1,165,532.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,781.81 : 2,115,403.89 = 844,522.86 : x
  2. Step 2: Convert to fraction form
    1,532,781.81/2,115,403.89 = 844,522.86/x
  3. Step 3: Cross multiply
    1,532,781.81x = 2,115,403.89 × 844,522.86
  4. Step 4: Simplify right side
    1,532,781.81x = 1,786,506,943,237.93
  5. Step 5: Solve for x
    x = 1,786,506,943,237.93/1,532,781.81
  6. Step 6: Final answer
    x = 1,165,532.45

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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.