Home / 1,228,838.64-1,696,118.04-800,294.64

Finding the Fourth Proportional to 1,228,838.64, 1,696,118.04 and 800,294.64

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Solution

The fourth proportional to 1,228,838.64, 1,696,118.04 and 800,294.64 is: 1,104,615.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,838.64 : 1,696,118.04 = 800,294.64 : x
  2. Step 2: Convert to fraction form
    1,228,838.64/1,696,118.04 = 800,294.64/x
  3. Step 3: Cross multiply
    1,228,838.64x = 1,696,118.04 × 800,294.64
  4. Step 4: Simplify right side
    1,228,838.64x = 1,357,394,176,219.31
  5. Step 5: Solve for x
    x = 1,357,394,176,219.31/1,228,838.64
  6. Step 6: Final answer
    x = 1,104,615.47

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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.