Home / 858,469.74-1,184,685.31-471,275.52

Finding the Fourth Proportional to 858,469.74, 1,184,685.31 and 471,275.52

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Solution

The fourth proportional to 858,469.74, 1,184,685.31 and 471,275.52 is: 650,358.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,469.74 : 1,184,685.31 = 471,275.52 : x
  2. Step 2: Convert to fraction form
    858,469.74/1,184,685.31 = 471,275.52/x
  3. Step 3: Cross multiply
    858,469.74x = 1,184,685.31 × 471,275.52
  4. Step 4: Simplify right side
    858,469.74x = 558,313,185,506.61
  5. Step 5: Solve for x
    x = 558,313,185,506.61/858,469.74
  6. Step 6: Final answer
    x = 650,358.61

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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.