Home / 753,615.05-1,129,106.26-628,062.11

Finding the Fourth Proportional to 753,615.05, 1,129,106.26 and 628,062.11

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Solution

The fourth proportional to 753,615.05, 1,129,106.26 and 628,062.11 is: 940,996.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,615.05 : 1,129,106.26 = 628,062.11 : x
  2. Step 2: Convert to fraction form
    753,615.05/1,129,106.26 = 628,062.11/x
  3. Step 3: Cross multiply
    753,615.05x = 1,129,106.26 × 628,062.11
  4. Step 4: Simplify right side
    753,615.05x = 709,148,861,322.42
  5. Step 5: Solve for x
    x = 709,148,861,322.42/753,615.05
  6. Step 6: Final answer
    x = 940,996.15

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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.