Home / 1,043,143.20-1,564,714.80-511,005.60

Finding the Fourth Proportional to 1,043,143.20, 1,564,714.80 and 511,005.60

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Solution

The fourth proportional to 1,043,143.20, 1,564,714.80 and 511,005.60 is: 766,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,143.20 : 1,564,714.80 = 511,005.60 : x
  2. Step 2: Convert to fraction form
    1,043,143.20/1,564,714.80 = 511,005.60/x
  3. Step 3: Cross multiply
    1,043,143.20x = 1,564,714.80 × 511,005.60
  4. Step 4: Simplify right side
    1,043,143.20x = 799,578,025,202.88
  5. Step 5: Solve for x
    x = 799,578,025,202.88/1,043,143.20
  6. Step 6: Final answer
    x = 766,508.40

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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.