Home / 873,710.88-1,205,949.12-534,463.20

Finding the Fourth Proportional to 873,710.88, 1,205,949.12 and 534,463.20

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Solution

The fourth proportional to 873,710.88, 1,205,949.12 and 534,463.20 is: 737,698.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,710.88 : 1,205,949.12 = 534,463.20 : x
  2. Step 2: Convert to fraction form
    873,710.88/1,205,949.12 = 534,463.20/x
  3. Step 3: Cross multiply
    873,710.88x = 1,205,949.12 × 534,463.20
  4. Step 4: Simplify right side
    873,710.88x = 644,535,425,712.38
  5. Step 5: Solve for x
    x = 644,535,425,712.38/873,710.88
  6. Step 6: Final answer
    x = 737,698.75

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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.