Home / 1,158,994.20-1,738,491.30-411,115.80

Finding the Fourth Proportional to 1,158,994.20, 1,738,491.30 and 411,115.80

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Solution

The fourth proportional to 1,158,994.20, 1,738,491.30 and 411,115.80 is: 616,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,994.20 : 1,738,491.30 = 411,115.80 : x
  2. Step 2: Convert to fraction form
    1,158,994.20/1,738,491.30 = 411,115.80/x
  3. Step 3: Cross multiply
    1,158,994.20x = 1,738,491.30 × 411,115.80
  4. Step 4: Simplify right side
    1,158,994.20x = 714,721,241,592.54
  5. Step 5: Solve for x
    x = 714,721,241,592.54/1,158,994.20
  6. Step 6: Final answer
    x = 616,673.70

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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.