Home / 873,707.78-1,310,562.22-242,621.66

Finding the Fourth Proportional to 873,707.78, 1,310,562.22 and 242,621.66

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Solution

The fourth proportional to 873,707.78, 1,310,562.22 and 242,621.66 is: 363,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,707.78 : 1,310,562.22 = 242,621.66 : x
  2. Step 2: Convert to fraction form
    873,707.78/1,310,562.22 = 242,621.66/x
  3. Step 3: Cross multiply
    873,707.78x = 1,310,562.22 × 242,621.66
  4. Step 4: Simplify right side
    873,707.78x = 317,970,781,349.69
  5. Step 5: Solve for x
    x = 317,970,781,349.69/873,707.78
  6. Step 6: Final answer
    x = 363,932.64

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Double scale
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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.