Home / 418,777.31-578,015.33-237,595.29

Finding the Fourth Proportional to 418,777.31, 578,015.33 and 237,595.29

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Solution

The fourth proportional to 418,777.31, 578,015.33 and 237,595.29 is: 327,939.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,777.31 : 578,015.33 = 237,595.29 : x
  2. Step 2: Convert to fraction form
    418,777.31/578,015.33 = 237,595.29/x
  3. Step 3: Cross multiply
    418,777.31x = 578,015.33 × 237,595.29
  4. Step 4: Simplify right side
    418,777.31x = 137,333,718,767.82
  5. Step 5: Solve for x
    x = 137,333,718,767.82/418,777.31
  6. Step 6: Final answer
    x = 327,939.74

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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.