Home / 697,071.60-1,043,274.60-613,090.80

Finding the Fourth Proportional to 697,071.60, 1,043,274.60 and 613,090.80

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Solution

The fourth proportional to 697,071.60, 1,043,274.60 and 613,090.80 is: 917,584.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,071.60 : 1,043,274.60 = 613,090.80 : x
  2. Step 2: Convert to fraction form
    697,071.60/1,043,274.60 = 613,090.80/x
  3. Step 3: Cross multiply
    697,071.60x = 1,043,274.60 × 613,090.80
  4. Step 4: Simplify right side
    697,071.60x = 639,622,059,133.68
  5. Step 5: Solve for x
    x = 639,622,059,133.68/697,071.60
  6. Step 6: Final answer
    x = 917,584.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.