Home / 819,785.71-1,131,276.48-452,277.52

Finding the Fourth Proportional to 819,785.71, 1,131,276.48 and 452,277.52

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Solution

The fourth proportional to 819,785.71, 1,131,276.48 and 452,277.52 is: 624,127.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,785.71 : 1,131,276.48 = 452,277.52 : x
  2. Step 2: Convert to fraction form
    819,785.71/1,131,276.48 = 452,277.52/x
  3. Step 3: Cross multiply
    819,785.71x = 1,131,276.48 × 452,277.52
  4. Step 4: Simplify right side
    819,785.71x = 511,650,922,647.93
  5. Step 5: Solve for x
    x = 511,650,922,647.93/819,785.71
  6. Step 6: Final answer
    x = 624,127.64

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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.