Home / 426,427.70-588,479.40-235,453.16

Finding the Fourth Proportional to 426,427.70, 588,479.40 and 235,453.16

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Solution

The fourth proportional to 426,427.70, 588,479.40 and 235,453.16 is: 324,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,427.70 : 588,479.40 = 235,453.16 : x
  2. Step 2: Convert to fraction form
    426,427.70/588,479.40 = 235,453.16/x
  3. Step 3: Cross multiply
    426,427.70x = 588,479.40 × 235,453.16
  4. Step 4: Simplify right side
    426,427.70x = 138,559,334,324.90
  5. Step 5: Solve for x
    x = 138,559,334,324.90/426,427.70
  6. Step 6: Final answer
    x = 324,930.43

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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.