Home / 950,212.32-1,311,221.88-542,302.80

Finding the Fourth Proportional to 950,212.32, 1,311,221.88 and 542,302.80

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Solution

The fourth proportional to 950,212.32, 1,311,221.88 and 542,302.80 is: 748,337.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,212.32 : 1,311,221.88 = 542,302.80 : x
  2. Step 2: Convert to fraction form
    950,212.32/1,311,221.88 = 542,302.80/x
  3. Step 3: Cross multiply
    950,212.32x = 1,311,221.88 × 542,302.80
  4. Step 4: Simplify right side
    950,212.32x = 711,079,296,945.26
  5. Step 5: Solve for x
    x = 711,079,296,945.26/950,212.32
  6. Step 6: Final answer
    x = 748,337.27

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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.