Home / 1,255,562.30-1,880,233.05-805,591.10

Finding the Fourth Proportional to 1,255,562.30, 1,880,233.05 and 805,591.10

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Solution

The fourth proportional to 1,255,562.30, 1,880,233.05 and 805,591.10 is: 1,206,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,562.30 : 1,880,233.05 = 805,591.10 : x
  2. Step 2: Convert to fraction form
    1,255,562.30/1,880,233.05 = 805,591.10/x
  3. Step 3: Cross multiply
    1,255,562.30x = 1,880,233.05 × 805,591.10
  4. Step 4: Simplify right side
    1,255,562.30x = 1,514,699,011,005.86
  5. Step 5: Solve for x
    x = 1,514,699,011,005.86/1,255,562.30
  6. Step 6: Final answer
    x = 1,206,390.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.