Home / 382,801.10-528,260.33-213,035.23

Finding the Fourth Proportional to 382,801.10, 528,260.33 and 213,035.23

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Solution

The fourth proportional to 382,801.10, 528,260.33 and 213,035.23 is: 293,985.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,801.10 : 528,260.33 = 213,035.23 : x
  2. Step 2: Convert to fraction form
    382,801.10/528,260.33 = 213,035.23/x
  3. Step 3: Cross multiply
    382,801.10x = 528,260.33 × 213,035.23
  4. Step 4: Simplify right side
    382,801.10x = 112,538,057,194.95
  5. Step 5: Solve for x
    x = 112,538,057,194.95/382,801.10
  6. Step 6: Final answer
    x = 293,985.72

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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.