Home / 641,636.32-885,561.32-366,084.15

Finding the Fourth Proportional to 641,636.32, 885,561.32 and 366,084.15

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Solution

The fourth proportional to 641,636.32, 885,561.32 and 366,084.15 is: 505,255.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,636.32 : 885,561.32 = 366,084.15 : x
  2. Step 2: Convert to fraction form
    641,636.32/885,561.32 = 366,084.15/x
  3. Step 3: Cross multiply
    641,636.32x = 885,561.32 × 366,084.15
  4. Step 4: Simplify right side
    641,636.32x = 324,189,963,105.08
  5. Step 5: Solve for x
    x = 324,189,963,105.08/641,636.32
  6. Step 6: Final answer
    x = 505,255.01

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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.