Home / 292,072.77-397,653.57-291,173.13

Finding the Fourth Proportional to 292,072.77, 397,653.57 and 291,173.13

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Solution

The fourth proportional to 292,072.77, 397,653.57 and 291,173.13 is: 396,428.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,072.77 : 397,653.57 = 291,173.13 : x
  2. Step 2: Convert to fraction form
    292,072.77/397,653.57 = 291,173.13/x
  3. Step 3: Cross multiply
    292,072.77x = 397,653.57 × 291,173.13
  4. Step 4: Simplify right side
    292,072.77x = 115,786,034,632.57
  5. Step 5: Solve for x
    x = 115,786,034,632.57/292,072.77
  6. Step 6: Final answer
    x = 396,428.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.