Home / 852,908.42-1,177,019.31-465,726.53

Finding the Fourth Proportional to 852,908.42, 1,177,019.31 and 465,726.53

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Solution

The fourth proportional to 852,908.42, 1,177,019.31 and 465,726.53 is: 642,705.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,908.42 : 1,177,019.31 = 465,726.53 : x
  2. Step 2: Convert to fraction form
    852,908.42/1,177,019.31 = 465,726.53/x
  3. Step 3: Cross multiply
    852,908.42x = 1,177,019.31 × 465,726.53
  4. Step 4: Simplify right side
    852,908.42x = 548,169,113,104.20
  5. Step 5: Solve for x
    x = 548,169,113,104.20/852,908.42
  6. Step 6: Final answer
    x = 642,705.72

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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.