Home / 858,837.20-1,185,172.56-476,854.16

Finding the Fourth Proportional to 858,837.20, 1,185,172.56 and 476,854.16

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Solution

The fourth proportional to 858,837.20, 1,185,172.56 and 476,854.16 is: 658,046.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,837.20 : 1,185,172.56 = 476,854.16 : x
  2. Step 2: Convert to fraction form
    858,837.20/1,185,172.56 = 476,854.16/x
  3. Step 3: Cross multiply
    858,837.20x = 1,185,172.56 × 476,854.16
  4. Step 4: Simplify right side
    858,837.20x = 565,154,465,553.85
  5. Step 5: Solve for x
    x = 565,154,465,553.85/858,837.20
  6. Step 6: Final answer
    x = 658,046.09

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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.