Home / 724,155.80-1,085,987.66-250,730.44

Finding the Fourth Proportional to 724,155.80, 1,085,987.66 and 250,730.44

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Solution

The fourth proportional to 724,155.80, 1,085,987.66 and 250,730.44 is: 376,010.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,155.80 : 1,085,987.66 = 250,730.44 : x
  2. Step 2: Convert to fraction form
    724,155.80/1,085,987.66 = 250,730.44/x
  3. Step 3: Cross multiply
    724,155.80x = 1,085,987.66 × 250,730.44
  4. Step 4: Simplify right side
    724,155.80x = 272,290,159,857.75
  5. Step 5: Solve for x
    x = 272,290,159,857.75/724,155.80
  6. Step 6: Final answer
    x = 376,010.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.