Home / 935,660.80-1,291,103.40-527,769.34

Finding the Fourth Proportional to 935,660.80, 1,291,103.40 and 527,769.34

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Solution

The fourth proportional to 935,660.80, 1,291,103.40 and 527,769.34 is: 728,260.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,660.80 : 1,291,103.40 = 527,769.34 : x
  2. Step 2: Convert to fraction form
    935,660.80/1,291,103.40 = 527,769.34/x
  3. Step 3: Cross multiply
    935,660.80x = 1,291,103.40 × 527,769.34
  4. Step 4: Simplify right side
    935,660.80x = 681,404,789,289.76
  5. Step 5: Solve for x
    x = 681,404,789,289.76/935,660.80
  6. Step 6: Final answer
    x = 728,260.49

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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.