Home / 697,553.29-962,560.78-407,190.06

Finding the Fourth Proportional to 697,553.29, 962,560.78 and 407,190.06

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Solution

The fourth proportional to 697,553.29, 962,560.78 and 407,190.06 is: 561,885.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,553.29 : 962,560.78 = 407,190.06 : x
  2. Step 2: Convert to fraction form
    697,553.29/962,560.78 = 407,190.06/x
  3. Step 3: Cross multiply
    697,553.29x = 962,560.78 × 407,190.06
  4. Step 4: Simplify right side
    697,553.29x = 391,945,180,743.87
  5. Step 5: Solve for x
    x = 391,945,180,743.87/697,553.29
  6. Step 6: Final answer
    x = 561,885.64

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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.