Home / 426,428.17-588,480.06-235,453.66

Finding the Fourth Proportional to 426,428.17, 588,480.06 and 235,453.66

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Solution

The fourth proportional to 426,428.17, 588,480.06 and 235,453.66 is: 324,931.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,428.17 : 588,480.06 = 235,453.66 : x
  2. Step 2: Convert to fraction form
    426,428.17/588,480.06 = 235,453.66/x
  3. Step 3: Cross multiply
    426,428.17x = 588,480.06 × 235,453.66
  4. Step 4: Simplify right side
    426,428.17x = 138,559,783,964.02
  5. Step 5: Solve for x
    x = 138,559,783,964.02/426,428.17
  6. Step 6: Final answer
    x = 324,931.12

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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.