Home / 779,821.88-1,169,844.26-240,123.74

Finding the Fourth Proportional to 779,821.88, 1,169,844.26 and 240,123.74

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Solution

The fourth proportional to 779,821.88, 1,169,844.26 and 240,123.74 is: 360,219.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,821.88 : 1,169,844.26 = 240,123.74 : x
  2. Step 2: Convert to fraction form
    779,821.88/1,169,844.26 = 240,123.74/x
  3. Step 3: Cross multiply
    779,821.88x = 1,169,844.26 × 240,123.74
  4. Step 4: Simplify right side
    779,821.88x = 280,907,378,928.73
  5. Step 5: Solve for x
    x = 280,907,378,928.73/779,821.88
  6. Step 6: Final answer
    x = 360,219.92

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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.