Home / 925,630.80-1,385,681.40-551,461.20

Finding the Fourth Proportional to 925,630.80, 1,385,681.40 and 551,461.20

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Solution

The fourth proportional to 925,630.80, 1,385,681.40 and 551,461.20 is: 825,544.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,630.80 : 1,385,681.40 = 551,461.20 : x
  2. Step 2: Convert to fraction form
    925,630.80/1,385,681.40 = 551,461.20/x
  3. Step 3: Cross multiply
    925,630.80x = 1,385,681.40 × 551,461.20
  4. Step 4: Simplify right side
    925,630.80x = 764,149,527,661.68
  5. Step 5: Solve for x
    x = 764,149,527,661.68/925,630.80
  6. Step 6: Final answer
    x = 825,544.62

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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.