Home / 382,310.47-527,590.50-210,239.53

Finding the Fourth Proportional to 382,310.47, 527,590.50 and 210,239.53

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Solution

The fourth proportional to 382,310.47, 527,590.50 and 210,239.53 is: 290,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,310.47 : 527,590.50 = 210,239.53 : x
  2. Step 2: Convert to fraction form
    382,310.47/527,590.50 = 210,239.53/x
  3. Step 3: Cross multiply
    382,310.47x = 527,590.50 × 210,239.53
  4. Step 4: Simplify right side
    382,310.47x = 110,920,378,752.47
  5. Step 5: Solve for x
    x = 110,920,378,752.47/382,310.47
  6. Step 6: Final answer
    x = 290,131.68

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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.