Home / 491,322.22-736,975.06-221,300.16

Finding the Fourth Proportional to 491,322.22, 736,975.06 and 221,300.16

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Solution

The fourth proportional to 491,322.22, 736,975.06 and 221,300.16 is: 331,946.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,322.22 : 736,975.06 = 221,300.16 : x
  2. Step 2: Convert to fraction form
    491,322.22/736,975.06 = 221,300.16/x
  3. Step 3: Cross multiply
    491,322.22x = 736,975.06 × 221,300.16
  4. Step 4: Simplify right side
    491,322.22x = 163,092,698,694.01
  5. Step 5: Solve for x
    x = 163,092,698,694.01/491,322.22
  6. Step 6: Final answer
    x = 331,946.52

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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.