Home / 953,022.20-1,315,289.14-545,067.40

Finding the Fourth Proportional to 953,022.20, 1,315,289.14 and 545,067.40

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Solution

The fourth proportional to 953,022.20, 1,315,289.14 and 545,067.40 is: 752,260.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,022.20 : 1,315,289.14 = 545,067.40 : x
  2. Step 2: Convert to fraction form
    953,022.20/1,315,289.14 = 545,067.40/x
  3. Step 3: Cross multiply
    953,022.20x = 1,315,289.14 × 545,067.40
  4. Step 4: Simplify right side
    953,022.20x = 716,921,231,788.04
  5. Step 5: Solve for x
    x = 716,921,231,788.04/953,022.20
  6. Step 6: Final answer
    x = 752,260.79

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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.