Home / 852,287.04-1,176,222.60-489,837.42

Finding the Fourth Proportional to 852,287.04, 1,176,222.60 and 489,837.42

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Solution

The fourth proportional to 852,287.04, 1,176,222.60 and 489,837.42 is: 676,013.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,287.04 : 1,176,222.60 = 489,837.42 : x
  2. Step 2: Convert to fraction form
    852,287.04/1,176,222.60 = 489,837.42/x
  3. Step 3: Cross multiply
    852,287.04x = 1,176,222.60 × 489,837.42
  4. Step 4: Simplify right side
    852,287.04x = 576,157,843,729.69
  5. Step 5: Solve for x
    x = 576,157,843,729.69/852,287.04
  6. Step 6: Final answer
    x = 676,013.85

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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.