Home / 697,479.55-1,045,244.93-376,940.37

Finding the Fourth Proportional to 697,479.55, 1,045,244.93 and 376,940.37

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Solution

The fourth proportional to 697,479.55, 1,045,244.93 and 376,940.37 is: 564,883.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,479.55 : 1,045,244.93 = 376,940.37 : x
  2. Step 2: Convert to fraction form
    697,479.55/1,045,244.93 = 376,940.37/x
  3. Step 3: Cross multiply
    697,479.55x = 1,045,244.93 × 376,940.37
  4. Step 4: Simplify right side
    697,479.55x = 393,995,012,689.79
  5. Step 5: Solve for x
    x = 393,995,012,689.79/697,479.55
  6. Step 6: Final answer
    x = 564,883.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.