Home / 874,101.84-1,206,334.80-492,203.04

Finding the Fourth Proportional to 874,101.84, 1,206,334.80 and 492,203.04

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Solution

The fourth proportional to 874,101.84, 1,206,334.80 and 492,203.04 is: 679,282.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,101.84 : 1,206,334.80 = 492,203.04 : x
  2. Step 2: Convert to fraction form
    874,101.84/1,206,334.80 = 492,203.04/x
  3. Step 3: Cross multiply
    874,101.84x = 1,206,334.80 × 492,203.04
  4. Step 4: Simplify right side
    874,101.84x = 593,761,655,817.79
  5. Step 5: Solve for x
    x = 593,761,655,817.79/874,101.84
  6. Step 6: Final answer
    x = 679,282.01

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1.5x scale

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.