Home / 398,746.06-598,151.49-118,262.50

Finding the Fourth Proportional to 398,746.06, 598,151.49 and 118,262.50

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Solution

The fourth proportional to 398,746.06, 598,151.49 and 118,262.50 is: 177,403.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,746.06 : 598,151.49 = 118,262.50 : x
  2. Step 2: Convert to fraction form
    398,746.06/598,151.49 = 118,262.50/x
  3. Step 3: Cross multiply
    398,746.06x = 598,151.49 × 118,262.50
  4. Step 4: Simplify right side
    398,746.06x = 70,738,890,586.13
  5. Step 5: Solve for x
    x = 70,738,890,586.13/398,746.06
  6. Step 6: Final answer
    x = 177,403.36

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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.