Home / 697,702.58-962,554.79-403,157.69

Finding the Fourth Proportional to 697,702.58, 962,554.79 and 403,157.69

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Solution

The fourth proportional to 697,702.58, 962,554.79 and 403,157.69 is: 556,198.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,702.58 : 962,554.79 = 403,157.69 : x
  2. Step 2: Convert to fraction form
    697,702.58/962,554.79 = 403,157.69/x
  3. Step 3: Cross multiply
    697,702.58x = 962,554.79 × 403,157.69
  4. Step 4: Simplify right side
    697,702.58x = 388,061,358,806.27
  5. Step 5: Solve for x
    x = 388,061,358,806.27/697,702.58
  6. Step 6: Final answer
    x = 556,198.83

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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.