Home / 527,241.15-727,589.07-285,518.16

Finding the Fourth Proportional to 527,241.15, 727,589.07 and 285,518.16

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Solution

The fourth proportional to 527,241.15, 727,589.07 and 285,518.16 is: 394,013.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,241.15 : 727,589.07 = 285,518.16 : x
  2. Step 2: Convert to fraction form
    527,241.15/727,589.07 = 285,518.16/x
  3. Step 3: Cross multiply
    527,241.15x = 727,589.07 × 285,518.16
  4. Step 4: Simplify right side
    527,241.15x = 207,739,892,502.51
  5. Step 5: Solve for x
    x = 207,739,892,502.51/527,241.15
  6. Step 6: Final answer
    x = 394,013.05

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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.