Home / 859,097.75-1,185,412.32-496,555.11

Finding the Fourth Proportional to 859,097.75, 1,185,412.32 and 496,555.11

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Solution

The fourth proportional to 859,097.75, 1,185,412.32 and 496,555.11 is: 685,163.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,097.75 : 1,185,412.32 = 496,555.11 : x
  2. Step 2: Convert to fraction form
    859,097.75/1,185,412.32 = 496,555.11/x
  3. Step 3: Cross multiply
    859,097.75x = 1,185,412.32 × 496,555.11
  4. Step 4: Simplify right side
    859,097.75x = 588,622,544,952.96
  5. Step 5: Solve for x
    x = 588,622,544,952.96/859,097.75
  6. Step 6: Final answer
    x = 685,163.65

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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.