Home / 777,622.75-1,166,434.13-186,646.75

Finding the Fourth Proportional to 777,622.75, 1,166,434.13 and 186,646.75

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Solution

The fourth proportional to 777,622.75, 1,166,434.13 and 186,646.75 is: 279,970.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,622.75 : 1,166,434.13 = 186,646.75 : x
  2. Step 2: Convert to fraction form
    777,622.75/1,166,434.13 = 186,646.75/x
  3. Step 3: Cross multiply
    777,622.75x = 1,166,434.13 × 186,646.75
  4. Step 4: Simplify right side
    777,622.75x = 217,711,139,453.58
  5. Step 5: Solve for x
    x = 217,711,139,453.58/777,622.75
  6. Step 6: Final answer
    x = 279,970.13

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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.