Home / 982,766.80-1,356,213.54-553,054.12

Finding the Fourth Proportional to 982,766.80, 1,356,213.54 and 553,054.12

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Solution

The fourth proportional to 982,766.80, 1,356,213.54 and 553,054.12 is: 763,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,766.80 : 1,356,213.54 = 553,054.12 : x
  2. Step 2: Convert to fraction form
    982,766.80/1,356,213.54 = 553,054.12/x
  3. Step 3: Cross multiply
    982,766.80x = 1,356,213.54 × 553,054.12
  4. Step 4: Simplify right side
    982,766.80x = 750,059,485,896.79
  5. Step 5: Solve for x
    x = 750,059,485,896.79/982,766.80
  6. Step 6: Final answer
    x = 763,212.07

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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.