Home / 980,972.50-1,469,322.78-474,465.13

Finding the Fourth Proportional to 980,972.50, 1,469,322.78 and 474,465.13

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Solution

The fourth proportional to 980,972.50, 1,469,322.78 and 474,465.13 is: 710,664.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,972.50 : 1,469,322.78 = 474,465.13 : x
  2. Step 2: Convert to fraction form
    980,972.50/1,469,322.78 = 474,465.13/x
  3. Step 3: Cross multiply
    980,972.50x = 1,469,322.78 × 474,465.13
  4. Step 4: Simplify right side
    980,972.50x = 697,142,423,824.66
  5. Step 5: Solve for x
    x = 697,142,423,824.66/980,972.50
  6. Step 6: Final answer
    x = 710,664.59

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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.