Home / 866,618.92-1,299,141.03-393,045.94

Finding the Fourth Proportional to 866,618.92, 1,299,141.03 and 393,045.94

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Solution

The fourth proportional to 866,618.92, 1,299,141.03 and 393,045.94 is: 589,211.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    866,618.92 : 1,299,141.03 = 393,045.94 : x
  2. Step 2: Convert to fraction form
    866,618.92/1,299,141.03 = 393,045.94/x
  3. Step 3: Cross multiply
    866,618.92x = 1,299,141.03 × 393,045.94
  4. Step 4: Simplify right side
    866,618.92x = 510,622,107,328.92
  5. Step 5: Solve for x
    x = 510,622,107,328.92/866,618.92
  6. Step 6: Final answer
    x = 589,211.82

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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.