Home / 697,947.84-963,176.67-392,091.03

Finding the Fourth Proportional to 697,947.84, 963,176.67 and 392,091.03

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Solution

The fourth proportional to 697,947.84, 963,176.67 and 392,091.03 is: 541,090.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,947.84 : 963,176.67 = 392,091.03 : x
  2. Step 2: Convert to fraction form
    697,947.84/963,176.67 = 392,091.03/x
  3. Step 3: Cross multiply
    697,947.84x = 963,176.67 × 392,091.03
  4. Step 4: Simplify right side
    697,947.84x = 377,652,932,612.27
  5. Step 5: Solve for x
    x = 377,652,932,612.27/697,947.84
  6. Step 6: Final answer
    x = 541,090.48

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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.