Home / 856,706.57-1,182,262.11-474,739.73

Finding the Fourth Proportional to 856,706.57, 1,182,262.11 and 474,739.73

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Solution

The fourth proportional to 856,706.57, 1,182,262.11 and 474,739.73 is: 655,144.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,706.57 : 1,182,262.11 = 474,739.73 : x
  2. Step 2: Convert to fraction form
    856,706.57/1,182,262.11 = 474,739.73/x
  3. Step 3: Cross multiply
    856,706.57x = 1,182,262.11 × 474,739.73
  4. Step 4: Simplify right side
    856,706.57x = 561,266,794,890.63
  5. Step 5: Solve for x
    x = 561,266,794,890.63/856,706.57
  6. Step 6: Final answer
    x = 655,144.73

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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.