Home / 975,067.87-1,345,585.94-545,347.68

Finding the Fourth Proportional to 975,067.87, 1,345,585.94 and 545,347.68

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Solution

The fourth proportional to 975,067.87, 1,345,585.94 and 545,347.68 is: 752,575.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,067.87 : 1,345,585.94 = 545,347.68 : x
  2. Step 2: Convert to fraction form
    975,067.87/1,345,585.94 = 545,347.68/x
  3. Step 3: Cross multiply
    975,067.87x = 1,345,585.94 × 545,347.68
  4. Step 4: Simplify right side
    975,067.87x = 733,812,161,164.95
  5. Step 5: Solve for x
    x = 733,812,161,164.95/975,067.87
  6. Step 6: Final answer
    x = 752,575.47

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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.