Home / 558,285.93-770,432.45-303,641.37

Finding the Fourth Proportional to 558,285.93, 770,432.45 and 303,641.37

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Solution

The fourth proportional to 558,285.93, 770,432.45 and 303,641.37 is: 419,023.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,285.93 : 770,432.45 = 303,641.37 : x
  2. Step 2: Convert to fraction form
    558,285.93/770,432.45 = 303,641.37/x
  3. Step 3: Cross multiply
    558,285.93x = 770,432.45 × 303,641.37
  4. Step 4: Simplify right side
    558,285.93x = 233,935,163,092.25
  5. Step 5: Solve for x
    x = 233,935,163,092.25/558,285.93
  6. Step 6: Final answer
    x = 419,023.93

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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.