Home / 1,589,985.78-2,194,216.46-864,872.26

Finding the Fourth Proportional to 1,589,985.78, 2,194,216.46 and 864,872.26

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Solution

The fourth proportional to 1,589,985.78, 2,194,216.46 and 864,872.26 is: 1,193,543.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,985.78 : 2,194,216.46 = 864,872.26 : x
  2. Step 2: Convert to fraction form
    1,589,985.78/2,194,216.46 = 864,872.26/x
  3. Step 3: Cross multiply
    1,589,985.78x = 2,194,216.46 × 864,872.26
  4. Step 4: Simplify right side
    1,589,985.78x = 1,897,716,948,689.40
  5. Step 5: Solve for x
    x = 1,897,716,948,689.40/1,589,985.78
  6. Step 6: Final answer
    x = 1,193,543.35

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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.