Home / 1,007,038.72-1,389,747.54-548,170.03

Finding the Fourth Proportional to 1,007,038.72, 1,389,747.54 and 548,170.03

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Solution

The fourth proportional to 1,007,038.72, 1,389,747.54 and 548,170.03 is: 756,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,038.72 : 1,389,747.54 = 548,170.03 : x
  2. Step 2: Convert to fraction form
    1,007,038.72/1,389,747.54 = 548,170.03/x
  3. Step 3: Cross multiply
    1,007,038.72x = 1,389,747.54 × 548,170.03
  4. Step 4: Simplify right side
    1,007,038.72x = 761,817,950,694.23
  5. Step 5: Solve for x
    x = 761,817,950,694.23/1,007,038.72
  6. Step 6: Final answer
    x = 756,493.21

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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.