Home / 779,993.41-1,169,990.12-211,374.49

Finding the Fourth Proportional to 779,993.41, 1,169,990.12 and 211,374.49

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Solution

The fourth proportional to 779,993.41, 1,169,990.12 and 211,374.49 is: 317,061.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,993.41 : 1,169,990.12 = 211,374.49 : x
  2. Step 2: Convert to fraction form
    779,993.41/1,169,990.12 = 211,374.49/x
  3. Step 3: Cross multiply
    779,993.41x = 1,169,990.12 × 211,374.49
  4. Step 4: Simplify right side
    779,993.41x = 247,306,058,013.22
  5. Step 5: Solve for x
    x = 247,306,058,013.22/779,993.41
  6. Step 6: Final answer
    x = 317,061.73

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Double scale
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Similar ratio
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1.5x scale

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.