Home / 639,089.53-882,021.66-367,156.92

Finding the Fourth Proportional to 639,089.53, 882,021.66 and 367,156.92

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Solution

The fourth proportional to 639,089.53, 882,021.66 and 367,156.92 is: 506,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,089.53 : 882,021.66 = 367,156.92 : x
  2. Step 2: Convert to fraction form
    639,089.53/882,021.66 = 367,156.92/x
  3. Step 3: Cross multiply
    639,089.53x = 882,021.66 × 367,156.92
  4. Step 4: Simplify right side
    639,089.53x = 323,840,356,058.89
  5. Step 5: Solve for x
    x = 323,840,356,058.89/639,089.53
  6. Step 6: Final answer
    x = 506,721.42

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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.