Home / 819,575.88-1,131,028.65-452,095.20

Finding the Fourth Proportional to 819,575.88, 1,131,028.65 and 452,095.20

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Solution

The fourth proportional to 819,575.88, 1,131,028.65 and 452,095.20 is: 623,899.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,575.88 : 1,131,028.65 = 452,095.20 : x
  2. Step 2: Convert to fraction form
    819,575.88/1,131,028.65 = 452,095.20/x
  3. Step 3: Cross multiply
    819,575.88x = 1,131,028.65 × 452,095.20
  4. Step 4: Simplify right side
    819,575.88x = 511,332,623,727.48
  5. Step 5: Solve for x
    x = 511,332,623,727.48/819,575.88
  6. Step 6: Final answer
    x = 623,899.06

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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.