Home / 1,158,964.20-1,738,446.30-411,085.80

Finding the Fourth Proportional to 1,158,964.20, 1,738,446.30 and 411,085.80

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Solution

The fourth proportional to 1,158,964.20, 1,738,446.30 and 411,085.80 is: 616,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,964.20 : 1,738,446.30 = 411,085.80 : x
  2. Step 2: Convert to fraction form
    1,158,964.20/1,738,446.30 = 411,085.80/x
  3. Step 3: Cross multiply
    1,158,964.20x = 1,738,446.30 × 411,085.80
  4. Step 4: Simplify right side
    1,158,964.20x = 714,650,587,992.54
  5. Step 5: Solve for x
    x = 714,650,587,992.54/1,158,964.20
  6. Step 6: Final answer
    x = 616,628.70

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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.