Home / 1,589,242.61-2,193,128.96-864,108.59

Finding the Fourth Proportional to 1,589,242.61, 2,193,128.96 and 864,108.59

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Solution

The fourth proportional to 1,589,242.61, 2,193,128.96 and 864,108.59 is: 1,192,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,242.61 : 2,193,128.96 = 864,108.59 : x
  2. Step 2: Convert to fraction form
    1,589,242.61/2,193,128.96 = 864,108.59/x
  3. Step 3: Cross multiply
    1,589,242.61x = 2,193,128.96 × 864,108.59
  4. Step 4: Simplify right side
    1,589,242.61x = 1,895,101,566,169.67
  5. Step 5: Solve for x
    x = 1,895,101,566,169.67/1,589,242.61
  6. Step 6: Final answer
    x = 1,192,455.80

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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.