Home / 852,915.90-1,177,029.66-465,734.01

Finding the Fourth Proportional to 852,915.90, 1,177,029.66 and 465,734.01

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Solution

The fourth proportional to 852,915.90, 1,177,029.66 and 465,734.01 is: 642,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,915.90 : 1,177,029.66 = 465,734.01 : x
  2. Step 2: Convert to fraction form
    852,915.90/1,177,029.66 = 465,734.01/x
  3. Step 3: Cross multiply
    852,915.90x = 1,177,029.66 × 465,734.01
  4. Step 4: Simplify right side
    852,915.90x = 548,182,743,440.74
  5. Step 5: Solve for x
    x = 548,182,743,440.74/852,915.90
  6. Step 6: Final answer
    x = 642,716.06

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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.