Home / 852,137.52-1,175,987.28-489,674.92

Finding the Fourth Proportional to 852,137.52, 1,175,987.28 and 489,674.92

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Solution

The fourth proportional to 852,137.52, 1,175,987.28 and 489,674.92 is: 675,772.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,137.52 : 1,175,987.28 = 489,674.92 : x
  2. Step 2: Convert to fraction form
    852,137.52/1,175,987.28 = 489,674.92/x
  3. Step 3: Cross multiply
    852,137.52x = 1,175,987.28 × 489,674.92
  4. Step 4: Simplify right side
    852,137.52x = 575,851,477,255.02
  5. Step 5: Solve for x
    x = 575,851,477,255.02/852,137.52
  6. Step 6: Final answer
    x = 675,772.94

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1.5x scale

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.