Home / 855,999.12-1,181,277.72-474,025.44

Finding the Fourth Proportional to 855,999.12, 1,181,277.72 and 474,025.44

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Solution

The fourth proportional to 855,999.12, 1,181,277.72 and 474,025.44 is: 654,154.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,999.12 : 1,181,277.72 = 474,025.44 : x
  2. Step 2: Convert to fraction form
    855,999.12/1,181,277.72 = 474,025.44/x
  3. Step 3: Cross multiply
    855,999.12x = 1,181,277.72 × 474,025.44
  4. Step 4: Simplify right side
    855,999.12x = 559,955,690,985.20
  5. Step 5: Solve for x
    x = 559,955,690,985.20/855,999.12
  6. Step 6: Final answer
    x = 654,154.52

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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.