Home / 638,186.32-880,738.59-366,342.22

Finding the Fourth Proportional to 638,186.32, 880,738.59 and 366,342.22

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Solution

The fourth proportional to 638,186.32, 880,738.59 and 366,342.22 is: 505,576.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,186.32 : 880,738.59 = 366,342.22 : x
  2. Step 2: Convert to fraction form
    638,186.32/880,738.59 = 366,342.22/x
  3. Step 3: Cross multiply
    638,186.32x = 880,738.59 × 366,342.22
  4. Step 4: Simplify right side
    638,186.32x = 322,651,730,300.27
  5. Step 5: Solve for x
    x = 322,651,730,300.27/638,186.32
  6. Step 6: Final answer
    x = 505,576.07

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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.