Home / 1,234,109.49-1,703,058.50-690,243.98

Finding the Fourth Proportional to 1,234,109.49, 1,703,058.50 and 690,243.98

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Solution

The fourth proportional to 1,234,109.49, 1,703,058.50 and 690,243.98 is: 952,529.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,234,109.49 : 1,703,058.50 = 690,243.98 : x
  2. Step 2: Convert to fraction form
    1,234,109.49/1,703,058.50 = 690,243.98/x
  3. Step 3: Cross multiply
    1,234,109.49x = 1,703,058.50 × 690,243.98
  4. Step 4: Simplify right side
    1,234,109.49x = 1,175,525,883,910.49
  5. Step 5: Solve for x
    x = 1,175,525,883,910.49/1,234,109.49
  6. Step 6: Final answer
    x = 952,529.65

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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.