Home / 905,525.76-1,249,632.96-566,190.72

Finding the Fourth Proportional to 905,525.76, 1,249,632.96 and 566,190.72

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Solution

The fourth proportional to 905,525.76, 1,249,632.96 and 566,190.72 is: 781,347.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    905,525.76 : 1,249,632.96 = 566,190.72 : x
  2. Step 2: Convert to fraction form
    905,525.76/1,249,632.96 = 566,190.72/x
  3. Step 3: Cross multiply
    905,525.76x = 1,249,632.96 × 566,190.72
  4. Step 4: Simplify right side
    905,525.76x = 707,530,585,358.13
  5. Step 5: Solve for x
    x = 707,530,585,358.13/905,525.76
  6. Step 6: Final answer
    x = 781,347.83

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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.