Home / 1,065,680.80-1,598,521.20-768,248.80

Finding the Fourth Proportional to 1,065,680.80, 1,598,521.20 and 768,248.80

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Solution

The fourth proportional to 1,065,680.80, 1,598,521.20 and 768,248.80 is: 1,152,373.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,680.80 : 1,598,521.20 = 768,248.80 : x
  2. Step 2: Convert to fraction form
    1,065,680.80/1,598,521.20 = 768,248.80/x
  3. Step 3: Cross multiply
    1,065,680.80x = 1,598,521.20 × 768,248.80
  4. Step 4: Simplify right side
    1,065,680.80x = 1,228,061,993,674.56
  5. Step 5: Solve for x
    x = 1,228,061,993,674.56/1,065,680.80
  6. Step 6: Final answer
    x = 1,152,373.20

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Double scale
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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.