Home / 427,491.40-589,935.54-236,500.70

Finding the Fourth Proportional to 427,491.40, 589,935.54 and 236,500.70

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Solution

The fourth proportional to 427,491.40, 589,935.54 and 236,500.70 is: 326,369.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,491.40 : 589,935.54 = 236,500.70 : x
  2. Step 2: Convert to fraction form
    427,491.40/589,935.54 = 236,500.70/x
  3. Step 3: Cross multiply
    427,491.40x = 589,935.54 × 236,500.70
  4. Step 4: Simplify right side
    427,491.40x = 139,520,168,164.88
  5. Step 5: Solve for x
    x = 139,520,168,164.88/427,491.40
  6. Step 6: Final answer
    x = 326,369.53

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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.