Home / 819,923.12-1,131,544.59-452,398.46

Finding the Fourth Proportional to 819,923.12, 1,131,544.59 and 452,398.46

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Solution

The fourth proportional to 819,923.12, 1,131,544.59 and 452,398.46 is: 624,337.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,923.12 : 1,131,544.59 = 452,398.46 : x
  2. Step 2: Convert to fraction form
    819,923.12/1,131,544.59 = 452,398.46/x
  3. Step 3: Cross multiply
    819,923.12x = 1,131,544.59 × 452,398.46
  4. Step 4: Simplify right side
    819,923.12x = 511,909,029,937.33
  5. Step 5: Solve for x
    x = 511,909,029,937.33/819,923.12
  6. Step 6: Final answer
    x = 624,337.84

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Double scale
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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.