Home / 693,849.38-1,035,176.49-618,119.03

Finding the Fourth Proportional to 693,849.38, 1,035,176.49 and 618,119.03

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Solution

The fourth proportional to 693,849.38, 1,035,176.49 and 618,119.03 is: 922,191.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,849.38 : 1,035,176.49 = 618,119.03 : x
  2. Step 2: Convert to fraction form
    693,849.38/1,035,176.49 = 618,119.03/x
  3. Step 3: Cross multiply
    693,849.38x = 1,035,176.49 × 618,119.03
  4. Step 4: Simplify right side
    693,849.38x = 639,862,290,465.55
  5. Step 5: Solve for x
    x = 639,862,290,465.55/693,849.38
  6. Step 6: Final answer
    x = 922,191.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.