Home / 697,776.64-962,955.02-391,906.92

Finding the Fourth Proportional to 697,776.64, 962,955.02 and 391,906.92

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Solution

The fourth proportional to 697,776.64, 962,955.02 and 391,906.92 is: 540,844.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,776.64 : 962,955.02 = 391,906.92 : x
  2. Step 2: Convert to fraction form
    697,776.64/962,955.02 = 391,906.92/x
  3. Step 3: Cross multiply
    697,776.64x = 962,955.02 × 391,906.92
  4. Step 4: Simplify right side
    697,776.64x = 377,388,735,986.74
  5. Step 5: Solve for x
    x = 377,388,735,986.74/697,776.64
  6. Step 6: Final answer
    x = 540,844.61

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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.