Home / 502,923.45-694,013.23-285,146.77

Finding the Fourth Proportional to 502,923.45, 694,013.23 and 285,146.77

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Solution

The fourth proportional to 502,923.45, 694,013.23 and 285,146.77 is: 393,490.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,923.45 : 694,013.23 = 285,146.77 : x
  2. Step 2: Convert to fraction form
    502,923.45/694,013.23 = 285,146.77/x
  3. Step 3: Cross multiply
    502,923.45x = 694,013.23 × 285,146.77
  4. Step 4: Simplify right side
    502,923.45x = 197,895,630,871.77
  5. Step 5: Solve for x
    x = 197,895,630,871.77/502,923.45
  6. Step 6: Final answer
    x = 393,490.56

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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.