Home / 635,629.74-953,443.80-162,315.42

Finding the Fourth Proportional to 635,629.74, 953,443.80 and 162,315.42

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Solution

The fourth proportional to 635,629.74, 953,443.80 and 162,315.42 is: 243,472.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,629.74 : 953,443.80 = 162,315.42 : x
  2. Step 2: Convert to fraction form
    635,629.74/953,443.80 = 162,315.42/x
  3. Step 3: Cross multiply
    635,629.74x = 953,443.80 × 162,315.42
  4. Step 4: Simplify right side
    635,629.74x = 154,758,630,843.40
  5. Step 5: Solve for x
    x = 154,758,630,843.40/635,629.74
  6. Step 6: Final answer
    x = 243,472.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.