Home / 939,443.03-1,409,148.05-650,988.66

Finding the Fourth Proportional to 939,443.03, 1,409,148.05 and 650,988.66

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Solution

The fourth proportional to 939,443.03, 1,409,148.05 and 650,988.66 is: 976,471.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,443.03 : 1,409,148.05 = 650,988.66 : x
  2. Step 2: Convert to fraction form
    939,443.03/1,409,148.05 = 650,988.66/x
  3. Step 3: Cross multiply
    939,443.03x = 1,409,148.05 × 650,988.66
  4. Step 4: Simplify right side
    939,443.03x = 917,339,397,556.17
  5. Step 5: Solve for x
    x = 917,339,397,556.17/939,443.03
  6. Step 6: Final answer
    x = 976,471.56

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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.