Home / 591,087.32-815,701.41-336,438.50

Finding the Fourth Proportional to 591,087.32, 815,701.41 and 336,438.50

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Solution

The fourth proportional to 591,087.32, 815,701.41 and 336,438.50 is: 464,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,087.32 : 815,701.41 = 336,438.50 : x
  2. Step 2: Convert to fraction form
    591,087.32/815,701.41 = 336,438.50/x
  3. Step 3: Cross multiply
    591,087.32x = 815,701.41 × 336,438.50
  4. Step 4: Simplify right side
    591,087.32x = 274,433,358,828.29
  5. Step 5: Solve for x
    x = 274,433,358,828.29/591,087.32
  6. Step 6: Final answer
    x = 464,285.65

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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.