Home / 478,718.07-718,095.33-179,167.11

Finding the Fourth Proportional to 478,718.07, 718,095.33 and 179,167.11

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Solution

The fourth proportional to 478,718.07, 718,095.33 and 179,167.11 is: 268,757.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,718.07 : 718,095.33 = 179,167.11 : x
  2. Step 2: Convert to fraction form
    478,718.07/718,095.33 = 179,167.11/x
  3. Step 3: Cross multiply
    478,718.07x = 718,095.33 × 179,167.11
  4. Step 4: Simplify right side
    478,718.07x = 128,659,064,980.60
  5. Step 5: Solve for x
    x = 128,659,064,980.60/478,718.07
  6. Step 6: Final answer
    x = 268,757.49

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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.