Home / 698,704.38-1,048,056.06-225,389.76

Finding the Fourth Proportional to 698,704.38, 1,048,056.06 and 225,389.76

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Solution

The fourth proportional to 698,704.38, 1,048,056.06 and 225,389.76 is: 338,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,704.38 : 1,048,056.06 = 225,389.76 : x
  2. Step 2: Convert to fraction form
    698,704.38/1,048,056.06 = 225,389.76/x
  3. Step 3: Cross multiply
    698,704.38x = 1,048,056.06 × 225,389.76
  4. Step 4: Simplify right side
    698,704.38x = 236,221,100,744.95
  5. Step 5: Solve for x
    x = 236,221,100,744.95/698,704.38
  6. Step 6: Final answer
    x = 338,084.47

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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.