Home / 386,726.31-533,780.40-264,268.26

Finding the Fourth Proportional to 386,726.31, 533,780.40 and 264,268.26

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Solution

The fourth proportional to 386,726.31, 533,780.40 and 264,268.26 is: 364,757.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,726.31 : 533,780.40 = 264,268.26 : x
  2. Step 2: Convert to fraction form
    386,726.31/533,780.40 = 264,268.26/x
  3. Step 3: Cross multiply
    386,726.31x = 533,780.40 × 264,268.26
  4. Step 4: Simplify right side
    386,726.31x = 141,061,217,530.10
  5. Step 5: Solve for x
    x = 141,061,217,530.10/386,726.31
  6. Step 6: Final answer
    x = 364,757.23

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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.