Home / 856,654.47-1,182,182.79-512,504.96

Finding the Fourth Proportional to 856,654.47, 1,182,182.79 and 512,504.96

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Solution

The fourth proportional to 856,654.47, 1,182,182.79 and 512,504.96 is: 707,256.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,654.47 : 1,182,182.79 = 512,504.96 : x
  2. Step 2: Convert to fraction form
    856,654.47/1,182,182.79 = 512,504.96/x
  3. Step 3: Cross multiply
    856,654.47x = 1,182,182.79 × 512,504.96
  4. Step 4: Simplify right side
    856,654.47x = 605,874,537,590.73
  5. Step 5: Solve for x
    x = 605,874,537,590.73/856,654.47
  6. Step 6: Final answer
    x = 707,256.61

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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.