Home / 939,078.54-1,294,901.34-697,808.70

Finding the Fourth Proportional to 939,078.54, 1,294,901.34 and 697,808.70

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Solution

The fourth proportional to 939,078.54, 1,294,901.34 and 697,808.70 is: 962,212.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,078.54 : 1,294,901.34 = 697,808.70 : x
  2. Step 2: Convert to fraction form
    939,078.54/1,294,901.34 = 697,808.70/x
  3. Step 3: Cross multiply
    939,078.54x = 1,294,901.34 × 697,808.70
  4. Step 4: Simplify right side
    939,078.54x = 903,593,420,693.66
  5. Step 5: Solve for x
    x = 903,593,420,693.66/939,078.54
  6. Step 6: Final answer
    x = 962,212.83

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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.