Home / 955,711.96-1,318,858.23-520,110.79

Finding the Fourth Proportional to 955,711.96, 1,318,858.23 and 520,110.79

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Solution

The fourth proportional to 955,711.96, 1,318,858.23 and 520,110.79 is: 717,739.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,711.96 : 1,318,858.23 = 520,110.79 : x
  2. Step 2: Convert to fraction form
    955,711.96/1,318,858.23 = 520,110.79/x
  3. Step 3: Cross multiply
    955,711.96x = 1,318,858.23 × 520,110.79
  4. Step 4: Simplify right side
    955,711.96x = 685,952,395,903.30
  5. Step 5: Solve for x
    x = 685,952,395,903.30/955,711.96
  6. Step 6: Final answer
    x = 717,739.68

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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.