Home / 858,960.08-1,185,278.28-501,471.44

Finding the Fourth Proportional to 858,960.08, 1,185,278.28 and 501,471.44

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Solution

The fourth proportional to 858,960.08, 1,185,278.28 and 501,471.44 is: 691,980.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,960.08 : 1,185,278.28 = 501,471.44 : x
  2. Step 2: Convert to fraction form
    858,960.08/1,185,278.28 = 501,471.44/x
  3. Step 3: Cross multiply
    858,960.08x = 1,185,278.28 × 501,471.44
  4. Step 4: Simplify right side
    858,960.08x = 594,383,205,872.32
  5. Step 5: Solve for x
    x = 594,383,205,872.32/858,960.08
  6. Step 6: Final answer
    x = 691,980.01

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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.