Home / 386,537.00-533,420.03-216,774.77

Finding the Fourth Proportional to 386,537.00, 533,420.03 and 216,774.77

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Solution

The fourth proportional to 386,537.00, 533,420.03 and 216,774.77 is: 299,148.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,537.00 : 533,420.03 = 216,774.77 : x
  2. Step 2: Convert to fraction form
    386,537.00/533,420.03 = 216,774.77/x
  3. Step 3: Cross multiply
    386,537.00x = 533,420.03 × 216,774.77
  4. Step 4: Simplify right side
    386,537.00x = 115,632,002,191.48
  5. Step 5: Solve for x
    x = 115,632,002,191.48/386,537.00
  6. Step 6: Final answer
    x = 299,148.60

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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.