Home / 801,561.04-1,106,903.60-515,577.60

Finding the Fourth Proportional to 801,561.04, 1,106,903.60 and 515,577.60

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Solution

The fourth proportional to 801,561.04, 1,106,903.60 and 515,577.60 is: 711,979.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    801,561.04 : 1,106,903.60 = 515,577.60 : x
  2. Step 2: Convert to fraction form
    801,561.04/1,106,903.60 = 515,577.60/x
  3. Step 3: Cross multiply
    801,561.04x = 1,106,903.60 × 515,577.60
  4. Step 4: Simplify right side
    801,561.04x = 570,694,701,519.36
  5. Step 5: Solve for x
    x = 570,694,701,519.36/801,561.04
  6. Step 6: Final answer
    x = 711,979.09

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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.