Home / 1,543,268-2,129,710.92-864,220.16

Finding the Fourth Proportional to 1,543,268, 2,129,710.92 and 864,220.16

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Solution

The fourth proportional to 1,543,268, 2,129,710.92 and 864,220.16 is: 1,192,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,268 : 2,129,710.92 = 864,220.16 : x
  2. Step 2: Convert to fraction form
    1,543,268/2,129,710.92 = 864,220.16/x
  3. Step 3: Cross multiply
    1,543,268x = 2,129,710.92 × 864,220.16
  4. Step 4: Simplify right side
    1,543,268x = 1,840,539,112,036.15
  5. Step 5: Solve for x
    x = 1,840,539,112,036.15/1,543,268
  6. Step 6: Final answer
    x = 1,192,624.43

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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.