Home / 672,775.20-1,009,162.81-461,773.44

Finding the Fourth Proportional to 672,775.20, 1,009,162.81 and 461,773.44

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Solution

The fourth proportional to 672,775.20, 1,009,162.81 and 461,773.44 is: 692,660.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,775.20 : 1,009,162.81 = 461,773.44 : x
  2. Step 2: Convert to fraction form
    672,775.20/1,009,162.81 = 461,773.44/x
  3. Step 3: Cross multiply
    672,775.20x = 1,009,162.81 × 461,773.44
  4. Step 4: Simplify right side
    672,775.20x = 466,004,582,507.81
  5. Step 5: Solve for x
    x = 466,004,582,507.81/672,775.20
  6. Step 6: Final answer
    x = 692,660.16

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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.