Home / 1,234,419.84-1,703,418.96-690,461.28

Finding the Fourth Proportional to 1,234,419.84, 1,703,418.96 and 690,461.28

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Solution

The fourth proportional to 1,234,419.84, 1,703,418.96 and 690,461.28 is: 952,791.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,419.84 : 1,703,418.96 = 690,461.28 : x
  2. Step 2: Convert to fraction form
    1,234,419.84/1,703,418.96 = 690,461.28/x
  3. Step 3: Cross multiply
    1,234,419.84x = 1,703,418.96 × 690,461.28
  4. Step 4: Simplify right side
    1,234,419.84x = 1,176,144,835,497.87
  5. Step 5: Solve for x
    x = 1,176,144,835,497.87/1,234,419.84
  6. Step 6: Final answer
    x = 952,791.58

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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.