Home / 1,354,936.16-1,869,677.16-782,160.86

Finding the Fourth Proportional to 1,354,936.16, 1,869,677.16 and 782,160.86

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Solution

The fourth proportional to 1,354,936.16, 1,869,677.16 and 782,160.86 is: 1,079,304.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,354,936.16 : 1,869,677.16 = 782,160.86 : x
  2. Step 2: Convert to fraction form
    1,354,936.16/1,869,677.16 = 782,160.86/x
  3. Step 3: Cross multiply
    1,354,936.16x = 1,869,677.16 × 782,160.86
  4. Step 4: Simplify right side
    1,354,936.16x = 1,462,388,295,387.96
  5. Step 5: Solve for x
    x = 1,462,388,295,387.96/1,354,936.16
  6. Step 6: Final answer
    x = 1,079,304.21

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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.