Home / 352,527.28-528,736.20-115,868.40

Finding the Fourth Proportional to 352,527.28, 528,736.20 and 115,868.40

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Solution

The fourth proportional to 352,527.28, 528,736.20 and 115,868.40 is: 173,784.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,527.28 : 528,736.20 = 115,868.40 : x
  2. Step 2: Convert to fraction form
    352,527.28/528,736.20 = 115,868.40/x
  3. Step 3: Cross multiply
    352,527.28x = 528,736.20 × 115,868.40
  4. Step 4: Simplify right side
    352,527.28x = 61,263,817,516.08
  5. Step 5: Solve for x
    x = 61,263,817,516.08/352,527.28
  6. Step 6: Final answer
    x = 173,784.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.