Home / 330,527.93-455,960.66-215,873.75

Finding the Fourth Proportional to 330,527.93, 455,960.66 and 215,873.75

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Solution

The fourth proportional to 330,527.93, 455,960.66 and 215,873.75 is: 297,796.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,527.93 : 455,960.66 = 215,873.75 : x
  2. Step 2: Convert to fraction form
    330,527.93/455,960.66 = 215,873.75/x
  3. Step 3: Cross multiply
    330,527.93x = 455,960.66 × 215,873.75
  4. Step 4: Simplify right side
    330,527.93x = 98,429,937,526.68
  5. Step 5: Solve for x
    x = 98,429,937,526.68/330,527.93
  6. Step 6: Final answer
    x = 297,796.13

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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.