Home / 1,275,703.60-1,912,864.20-527,825.20

Finding the Fourth Proportional to 1,275,703.60, 1,912,864.20 and 527,825.20

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Solution

The fourth proportional to 1,275,703.60, 1,912,864.20 and 527,825.20 is: 791,451.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,703.60 : 1,912,864.20 = 527,825.20 : x
  2. Step 2: Convert to fraction form
    1,275,703.60/1,912,864.20 = 527,825.20/x
  3. Step 3: Cross multiply
    1,275,703.60x = 1,912,864.20 × 527,825.20
  4. Step 4: Simplify right side
    1,275,703.60x = 1,009,657,928,937.84
  5. Step 5: Solve for x
    x = 1,009,657,928,937.84/1,275,703.60
  6. Step 6: Final answer
    x = 791,451.81

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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.