Home / 697,555.05-962,563.19-407,191.81

Finding the Fourth Proportional to 697,555.05, 962,563.19 and 407,191.81

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Solution

The fourth proportional to 697,555.05, 962,563.19 and 407,191.81 is: 561,888.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,555.05 : 962,563.19 = 407,191.81 : x
  2. Step 2: Convert to fraction form
    697,555.05/962,563.19 = 407,191.81/x
  3. Step 3: Cross multiply
    697,555.05x = 962,563.19 × 407,191.81
  4. Step 4: Simplify right side
    697,555.05x = 391,947,847,575.47
  5. Step 5: Solve for x
    x = 391,947,847,575.47/697,555.05
  6. Step 6: Final answer
    x = 561,888.05

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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.