Home / 558,324.24-770,417.52-377,429.76

Finding the Fourth Proportional to 558,324.24, 770,417.52 and 377,429.76

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Solution

The fourth proportional to 558,324.24, 770,417.52 and 377,429.76 is: 520,805.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,324.24 : 770,417.52 = 377,429.76 : x
  2. Step 2: Convert to fraction form
    558,324.24/770,417.52 = 377,429.76/x
  3. Step 3: Cross multiply
    558,324.24x = 770,417.52 × 377,429.76
  4. Step 4: Simplify right side
    558,324.24x = 290,778,499,673.40
  5. Step 5: Solve for x
    x = 290,778,499,673.40/558,324.24
  6. Step 6: Final answer
    x = 520,805.79

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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.