Home / 386,783.25-533,770.08-217,029.93

Finding the Fourth Proportional to 386,783.25, 533,770.08 and 217,029.93

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Solution

The fourth proportional to 386,783.25, 533,770.08 and 217,029.93 is: 299,506.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,783.25 : 533,770.08 = 217,029.93 : x
  2. Step 2: Convert to fraction form
    386,783.25/533,770.08 = 217,029.93/x
  3. Step 3: Cross multiply
    386,783.25x = 533,770.08 × 217,029.93
  4. Step 4: Simplify right side
    386,783.25x = 115,844,083,098.49
  5. Step 5: Solve for x
    x = 115,844,083,098.49/386,783.25
  6. Step 6: Final answer
    x = 299,506.46

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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.