Home / 705,396.98-1,051,369.71-665,545.46

Finding the Fourth Proportional to 705,396.98, 1,051,369.71 and 665,545.46

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Solution

The fourth proportional to 705,396.98, 1,051,369.71 and 665,545.46 is: 991,972.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,396.98 : 1,051,369.71 = 665,545.46 : x
  2. Step 2: Convert to fraction form
    705,396.98/1,051,369.71 = 665,545.46/x
  3. Step 3: Cross multiply
    705,396.98x = 1,051,369.71 × 665,545.46
  4. Step 4: Simplify right side
    705,396.98x = 699,734,333,944.29
  5. Step 5: Solve for x
    x = 699,734,333,944.29/705,396.98
  6. Step 6: Final answer
    x = 991,972.40

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.