Home / 607,650.24-911,670.06-425,470.80

Finding the Fourth Proportional to 607,650.24, 911,670.06 and 425,470.80

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Solution

The fourth proportional to 607,650.24, 911,670.06 and 425,470.80 is: 638,342.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,650.24 : 911,670.06 = 425,470.80 : x
  2. Step 2: Convert to fraction form
    607,650.24/911,670.06 = 425,470.80/x
  3. Step 3: Cross multiply
    607,650.24x = 911,670.06 × 425,470.80
  4. Step 4: Simplify right side
    607,650.24x = 387,888,989,764.25
  5. Step 5: Solve for x
    x = 387,888,989,764.25/607,650.24
  6. Step 6: Final answer
    x = 638,342.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.