Home / 427,167.21-589,491.75-233,587.47

Finding the Fourth Proportional to 427,167.21, 589,491.75 and 233,587.47

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Solution

The fourth proportional to 427,167.21, 589,491.75 and 233,587.47 is: 322,351.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,167.21 : 589,491.75 = 233,587.47 : x
  2. Step 2: Convert to fraction form
    427,167.21/589,491.75 = 233,587.47/x
  3. Step 3: Cross multiply
    427,167.21x = 589,491.75 × 233,587.47
  4. Step 4: Simplify right side
    427,167.21x = 137,697,883,520.91
  5. Step 5: Solve for x
    x = 137,697,883,520.91/427,167.21
  6. Step 6: Final answer
    x = 322,351.25

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1.5x scale

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.