Home / 558,211.29-770,324.36-303,557.01

Finding the Fourth Proportional to 558,211.29, 770,324.36 and 303,557.01

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Solution

The fourth proportional to 558,211.29, 770,324.36 and 303,557.01 is: 418,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,211.29 : 770,324.36 = 303,557.01 : x
  2. Step 2: Convert to fraction form
    558,211.29/770,324.36 = 303,557.01/x
  3. Step 3: Cross multiply
    558,211.29x = 770,324.36 × 303,557.01
  4. Step 4: Simplify right side
    558,211.29x = 233,837,357,933.98
  5. Step 5: Solve for x
    x = 233,837,357,933.98/558,211.29
  6. Step 6: Final answer
    x = 418,904.74

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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.