Home / 1,328,339.10-1,832,553.27-869,565.90

Finding the Fourth Proportional to 1,328,339.10, 1,832,553.27 and 869,565.90

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Solution

The fourth proportional to 1,328,339.10, 1,832,553.27 and 869,565.90 is: 1,199,637.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,339.10 : 1,832,553.27 = 869,565.90 : x
  2. Step 2: Convert to fraction form
    1,328,339.10/1,832,553.27 = 869,565.90/x
  3. Step 3: Cross multiply
    1,328,339.10x = 1,832,553.27 × 869,565.90
  4. Step 4: Simplify right side
    1,328,339.10x = 1,593,525,833,525.49
  5. Step 5: Solve for x
    x = 1,593,525,833,525.49/1,328,339.10
  6. Step 6: Final answer
    x = 1,199,637.83

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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.