Home / 855,923.45-1,181,165.88-463,454.52

Finding the Fourth Proportional to 855,923.45, 1,181,165.88 and 463,454.52

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Solution

The fourth proportional to 855,923.45, 1,181,165.88 and 463,454.52 is: 639,562.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,923.45 : 1,181,165.88 = 463,454.52 : x
  2. Step 2: Convert to fraction form
    855,923.45/1,181,165.88 = 463,454.52/x
  3. Step 3: Cross multiply
    855,923.45x = 1,181,165.88 × 463,454.52
  4. Step 4: Simplify right side
    855,923.45x = 547,416,665,955.78
  5. Step 5: Solve for x
    x = 547,416,665,955.78/855,923.45
  6. Step 6: Final answer
    x = 639,562.65

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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.