Home / 697,043.60-1,043,232.60-613,062.80

Finding the Fourth Proportional to 697,043.60, 1,043,232.60 and 613,062.80

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Solution

The fourth proportional to 697,043.60, 1,043,232.60 and 613,062.80 is: 917,542.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,043.60 : 1,043,232.60 = 613,062.80 : x
  2. Step 2: Convert to fraction form
    697,043.60/1,043,232.60 = 613,062.80/x
  3. Step 3: Cross multiply
    697,043.60x = 1,043,232.60 × 613,062.80
  4. Step 4: Simplify right side
    697,043.60x = 639,567,098,807.28
  5. Step 5: Solve for x
    x = 639,567,098,807.28/697,043.60
  6. Step 6: Final answer
    x = 917,542.46

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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.