Home / 1,543,194.60-2,129,585.22-864,155.40

Finding the Fourth Proportional to 1,543,194.60, 2,129,585.22 and 864,155.40

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Solution

The fourth proportional to 1,543,194.60, 2,129,585.22 and 864,155.40 is: 1,192,521.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,543,194.60 : 2,129,585.22 = 864,155.40 : x
  2. Step 2: Convert to fraction form
    1,543,194.60/2,129,585.22 = 864,155.40/x
  3. Step 3: Cross multiply
    1,543,194.60x = 2,129,585.22 × 864,155.40
  4. Step 4: Simplify right side
    1,543,194.60x = 1,840,292,567,623.19
  5. Step 5: Solve for x
    x = 1,840,292,567,623.19/1,543,194.60
  6. Step 6: Final answer
    x = 1,192,521.39

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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.