Home / 751,647.43-1,127,471.16-650,143.84

Finding the Fourth Proportional to 751,647.43, 1,127,471.16 and 650,143.84

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Solution

The fourth proportional to 751,647.43, 1,127,471.16 and 650,143.84 is: 975,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,647.43 : 1,127,471.16 = 650,143.84 : x
  2. Step 2: Convert to fraction form
    751,647.43/1,127,471.16 = 650,143.84/x
  3. Step 3: Cross multiply
    751,647.43x = 1,127,471.16 × 650,143.84
  4. Step 4: Simplify right side
    751,647.43x = 733,018,429,451.65
  5. Step 5: Solve for x
    x = 733,018,429,451.65/751,647.43
  6. Step 6: Final answer
    x = 975,215.77

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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.