Home / 1,205,294.58-1,662,894.54-688,677.84

Finding the Fourth Proportional to 1,205,294.58, 1,662,894.54 and 688,677.84

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Solution

The fourth proportional to 1,205,294.58, 1,662,894.54 and 688,677.84 is: 950,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,294.58 : 1,662,894.54 = 688,677.84 : x
  2. Step 2: Convert to fraction form
    1,205,294.58/1,662,894.54 = 688,677.84/x
  3. Step 3: Cross multiply
    1,205,294.58x = 1,662,894.54 × 688,677.84
  4. Step 4: Simplify right side
    1,205,294.58x = 1,145,198,619,954.99
  5. Step 5: Solve for x
    x = 1,145,198,619,954.99/1,205,294.58
  6. Step 6: Final answer
    x = 950,140.02

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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.