Home / 1,275,694.60-1,912,850.70-527,816.20

Finding the Fourth Proportional to 1,275,694.60, 1,912,850.70 and 527,816.20

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Solution

The fourth proportional to 1,275,694.60, 1,912,850.70 and 527,816.20 is: 791,438.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,694.60 : 1,912,850.70 = 527,816.20 : x
  2. Step 2: Convert to fraction form
    1,275,694.60/1,912,850.70 = 527,816.20/x
  3. Step 3: Cross multiply
    1,275,694.60x = 1,912,850.70 × 527,816.20
  4. Step 4: Simplify right side
    1,275,694.60x = 1,009,633,587,641.34
  5. Step 5: Solve for x
    x = 1,009,633,587,641.34/1,275,694.60
  6. Step 6: Final answer
    x = 791,438.32

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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.