Home / 858,838.90-1,185,086.13-476,791.87

Finding the Fourth Proportional to 858,838.90, 1,185,086.13 and 476,791.87

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Solution

The fourth proportional to 858,838.90, 1,185,086.13 and 476,791.87 is: 657,910.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,838.90 : 1,185,086.13 = 476,791.87 : x
  2. Step 2: Convert to fraction form
    858,838.90/1,185,086.13 = 476,791.87/x
  3. Step 3: Cross multiply
    858,838.90x = 1,185,086.13 × 476,791.87
  4. Step 4: Simplify right side
    858,838.90x = 565,039,432,033.76
  5. Step 5: Solve for x
    x = 565,039,432,033.76/858,838.90
  6. Step 6: Final answer
    x = 657,910.85

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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.