Home / 483,140.92-666,721.77-268,275.46

Finding the Fourth Proportional to 483,140.92, 666,721.77 and 268,275.46

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Solution

The fourth proportional to 483,140.92, 666,721.77 and 268,275.46 is: 370,213.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,140.92 : 666,721.77 = 268,275.46 : x
  2. Step 2: Convert to fraction form
    483,140.92/666,721.77 = 268,275.46/x
  3. Step 3: Cross multiply
    483,140.92x = 666,721.77 × 268,275.46
  4. Step 4: Simplify right side
    483,140.92x = 178,865,089,538.76
  5. Step 5: Solve for x
    x = 178,865,089,538.76/483,140.92
  6. Step 6: Final answer
    x = 370,213.08

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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.