Home / 558,769.50-771,101.91-304,122.51

Finding the Fourth Proportional to 558,769.50, 771,101.91 and 304,122.51

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Solution

The fourth proportional to 558,769.50, 771,101.91 and 304,122.51 is: 419,689.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,769.50 : 771,101.91 = 304,122.51 : x
  2. Step 2: Convert to fraction form
    558,769.50/771,101.91 = 304,122.51/x
  3. Step 3: Cross multiply
    558,769.50x = 771,101.91 × 304,122.51
  4. Step 4: Simplify right side
    558,769.50x = 234,509,448,334.99
  5. Step 5: Solve for x
    x = 234,509,448,334.99/558,769.50
  6. Step 6: Final answer
    x = 419,689.06

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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.