Home / 819,562.80-1,130,968.71-452,054.49

Finding the Fourth Proportional to 819,562.80, 1,130,968.71 and 452,054.49

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Solution

The fourth proportional to 819,562.80, 1,130,968.71 and 452,054.49 is: 623,819.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    819,562.80 : 1,130,968.71 = 452,054.49 : x
  2. Step 2: Convert to fraction form
    819,562.80/1,130,968.71 = 452,054.49/x
  3. Step 3: Cross multiply
    819,562.80x = 1,130,968.71 × 452,054.49
  4. Step 4: Simplify right side
    819,562.80x = 511,259,483,405.01
  5. Step 5: Solve for x
    x = 511,259,483,405.01/819,562.80
  6. Step 6: Final answer
    x = 623,819.78

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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.