Home / 382,613.54-527,983.65-210,525.19

Finding the Fourth Proportional to 382,613.54, 527,983.65 and 210,525.19

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Solution

The fourth proportional to 382,613.54, 527,983.65 and 210,525.19 is: 290,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,613.54 : 527,983.65 = 210,525.19 : x
  2. Step 2: Convert to fraction form
    382,613.54/527,983.65 = 210,525.19/x
  3. Step 3: Cross multiply
    382,613.54x = 527,983.65 × 210,525.19
  4. Step 4: Simplify right side
    382,613.54x = 111,153,856,913.18
  5. Step 5: Solve for x
    x = 111,153,856,913.18/382,613.54
  6. Step 6: Final answer
    x = 290,512.09

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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.