Home / 985,140.27-1,477,251.11-511,698.51

Finding the Fourth Proportional to 985,140.27, 1,477,251.11 and 511,698.51

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Solution

The fourth proportional to 985,140.27, 1,477,251.11 and 511,698.51 is: 767,309.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,140.27 : 1,477,251.11 = 511,698.51 : x
  2. Step 2: Convert to fraction form
    985,140.27/1,477,251.11 = 511,698.51/x
  3. Step 3: Cross multiply
    985,140.27x = 1,477,251.11 × 511,698.51
  4. Step 4: Simplify right side
    985,140.27x = 755,907,193,162.09
  5. Step 5: Solve for x
    x = 755,907,193,162.09/985,140.27
  6. Step 6: Final answer
    x = 767,309.20

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1.5x scale

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.