Home / 866,638.74-1,195,957.36-484,667.04

Finding the Fourth Proportional to 866,638.74, 1,195,957.36 and 484,667.04

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Solution

The fourth proportional to 866,638.74, 1,195,957.36 and 484,667.04 is: 668,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,638.74 : 1,195,957.36 = 484,667.04 : x
  2. Step 2: Convert to fraction form
    866,638.74/1,195,957.36 = 484,667.04/x
  3. Step 3: Cross multiply
    866,638.74x = 1,195,957.36 × 484,667.04
  4. Step 4: Simplify right side
    866,638.74x = 579,641,113,637.41
  5. Step 5: Solve for x
    x = 579,641,113,637.41/866,638.74
  6. Step 6: Final answer
    x = 668,838.22

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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.