Home / 858,734.52-1,185,007.38-476,736.71

Finding the Fourth Proportional to 858,734.52, 1,185,007.38 and 476,736.71

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Solution

The fourth proportional to 858,734.52, 1,185,007.38 and 476,736.71 is: 657,870.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,734.52 : 1,185,007.38 = 476,736.71 : x
  2. Step 2: Convert to fraction form
    858,734.52/1,185,007.38 = 476,736.71/x
  3. Step 3: Cross multiply
    858,734.52x = 1,185,007.38 × 476,736.71
  4. Step 4: Simplify right side
    858,734.52x = 564,936,513,741.88
  5. Step 5: Solve for x
    x = 564,936,513,741.88/858,734.52
  6. Step 6: Final answer
    x = 657,870.97

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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.