Home / 750,613.76-1,126,110.74-218,123.36

Finding the Fourth Proportional to 750,613.76, 1,126,110.74 and 218,123.36

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Solution

The fourth proportional to 750,613.76, 1,126,110.74 and 218,123.36 is: 327,240.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,613.76 : 1,126,110.74 = 218,123.36 : x
  2. Step 2: Convert to fraction form
    750,613.76/1,126,110.74 = 218,123.36/x
  3. Step 3: Cross multiply
    750,613.76x = 1,126,110.74 × 218,123.36
  4. Step 4: Simplify right side
    750,613.76x = 245,631,058,340.89
  5. Step 5: Solve for x
    x = 245,631,058,340.89/750,613.76
  6. Step 6: Final answer
    x = 327,240.28

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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.