Home / 766,007.28-1,056,993.30-443,714.76

Finding the Fourth Proportional to 766,007.28, 1,056,993.30 and 443,714.76

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Solution

The fourth proportional to 766,007.28, 1,056,993.30 and 443,714.76 is: 612,270.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,007.28 : 1,056,993.30 = 443,714.76 : x
  2. Step 2: Convert to fraction form
    766,007.28/1,056,993.30 = 443,714.76/x
  3. Step 3: Cross multiply
    766,007.28x = 1,056,993.30 × 443,714.76
  4. Step 4: Simplify right side
    766,007.28x = 469,003,528,431.11
  5. Step 5: Solve for x
    x = 469,003,528,431.11/766,007.28
  6. Step 6: Final answer
    x = 612,270.33

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.