Home / 420,222.24-579,955.28-233,972.46

Finding the Fourth Proportional to 420,222.24, 579,955.28 and 233,972.46

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Solution

The fourth proportional to 420,222.24, 579,955.28 and 233,972.46 is: 322,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,222.24 : 579,955.28 = 233,972.46 : x
  2. Step 2: Convert to fraction form
    420,222.24/579,955.28 = 233,972.46/x
  3. Step 3: Cross multiply
    420,222.24x = 579,955.28 × 233,972.46
  4. Step 4: Simplify right side
    420,222.24x = 135,693,562,381.73
  5. Step 5: Solve for x
    x = 135,693,562,381.73/420,222.24
  6. Step 6: Final answer
    x = 322,909.05

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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.