Home / 923,872.20-1,385,808.30-768,352.20

Finding the Fourth Proportional to 923,872.20, 1,385,808.30 and 768,352.20

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Solution

The fourth proportional to 923,872.20, 1,385,808.30 and 768,352.20 is: 1,152,528.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    923,872.20 : 1,385,808.30 = 768,352.20 : x
  2. Step 2: Convert to fraction form
    923,872.20/1,385,808.30 = 768,352.20/x
  3. Step 3: Cross multiply
    923,872.20x = 1,385,808.30 × 768,352.20
  4. Step 4: Simplify right side
    923,872.20x = 1,064,788,856,083.26
  5. Step 5: Solve for x
    x = 1,064,788,856,083.26/923,872.20
  6. Step 6: Final answer
    x = 1,152,528.30

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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.