Home / 376,837.06-520,039.24-207,071.16

Finding the Fourth Proportional to 376,837.06, 520,039.24 and 207,071.16

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Solution

The fourth proportional to 376,837.06, 520,039.24 and 207,071.16 is: 285,760.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,837.06 : 520,039.24 = 207,071.16 : x
  2. Step 2: Convert to fraction form
    376,837.06/520,039.24 = 207,071.16/x
  3. Step 3: Cross multiply
    376,837.06x = 520,039.24 × 207,071.16
  4. Step 4: Simplify right side
    376,837.06x = 107,685,128,672.32
  5. Step 5: Solve for x
    x = 107,685,128,672.32/376,837.06
  6. Step 6: Final answer
    x = 285,760.45

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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.