Home / 819,597.28-1,131,003.16-452,138.91

Finding the Fourth Proportional to 819,597.28, 1,131,003.16 and 452,138.91

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Solution

The fourth proportional to 819,597.28, 1,131,003.16 and 452,138.91 is: 623,929.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,597.28 : 1,131,003.16 = 452,138.91 : x
  2. Step 2: Convert to fraction form
    819,597.28/1,131,003.16 = 452,138.91/x
  3. Step 3: Cross multiply
    819,597.28x = 1,131,003.16 × 452,138.91
  4. Step 4: Simplify right side
    819,597.28x = 511,370,534,838.61
  5. Step 5: Solve for x
    x = 511,370,534,838.61/819,597.28
  6. Step 6: Final answer
    x = 623,929.03

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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.