Home / 858,957.34-1,185,375.38-471,808.54

Finding the Fourth Proportional to 858,957.34, 1,185,375.38 and 471,808.54

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Solution

The fourth proportional to 858,957.34, 1,185,375.38 and 471,808.54 is: 651,103.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,957.34 : 1,185,375.38 = 471,808.54 : x
  2. Step 2: Convert to fraction form
    858,957.34/1,185,375.38 = 471,808.54/x
  3. Step 3: Cross multiply
    858,957.34x = 1,185,375.38 × 471,808.54
  4. Step 4: Simplify right side
    858,957.34x = 559,270,230,065.62
  5. Step 5: Solve for x
    x = 559,270,230,065.62/858,957.34
  6. Step 6: Final answer
    x = 651,103.61

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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.