Home / 1,270,419.84-1,753,224.48-697,503.60

Finding the Fourth Proportional to 1,270,419.84, 1,753,224.48 and 697,503.60

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Solution

The fourth proportional to 1,270,419.84, 1,753,224.48 and 697,503.60 is: 962,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,419.84 : 1,753,224.48 = 697,503.60 : x
  2. Step 2: Convert to fraction form
    1,270,419.84/1,753,224.48 = 697,503.60/x
  3. Step 3: Cross multiply
    1,270,419.84x = 1,753,224.48 × 697,503.60
  4. Step 4: Simplify right side
    1,270,419.84x = 1,222,880,386,408.13
  5. Step 5: Solve for x
    x = 1,222,880,386,408.13/1,270,419.84
  6. Step 6: Final answer
    x = 962,579.73

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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.