Home / 615,436.12-923,150.04-331,260.58

Finding the Fourth Proportional to 615,436.12, 923,150.04 and 331,260.58

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Solution

The fourth proportional to 615,436.12, 923,150.04 and 331,260.58 is: 496,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,436.12 : 923,150.04 = 331,260.58 : x
  2. Step 2: Convert to fraction form
    615,436.12/923,150.04 = 331,260.58/x
  3. Step 3: Cross multiply
    615,436.12x = 923,150.04 × 331,260.58
  4. Step 4: Simplify right side
    615,436.12x = 305,803,217,677.42
  5. Step 5: Solve for x
    x = 305,803,217,677.42/615,436.12
  6. Step 6: Final answer
    x = 496,888.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.