Home / 852,115.04-1,176,022.90-489,538.22

Finding the Fourth Proportional to 852,115.04, 1,176,022.90 and 489,538.22

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Solution

The fourth proportional to 852,115.04, 1,176,022.90 and 489,538.22 is: 675,622.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,115.04 : 1,176,022.90 = 489,538.22 : x
  2. Step 2: Convert to fraction form
    852,115.04/1,176,022.90 = 489,538.22/x
  3. Step 3: Cross multiply
    852,115.04x = 1,176,022.90 × 489,538.22
  4. Step 4: Simplify right side
    852,115.04x = 575,708,151,877.05
  5. Step 5: Solve for x
    x = 575,708,151,877.05/852,115.04
  6. Step 6: Final answer
    x = 675,622.57

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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.