Home / 744,828.50-1,027,863.34-405,299.18

Finding the Fourth Proportional to 744,828.50, 1,027,863.34 and 405,299.18

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Solution

The fourth proportional to 744,828.50, 1,027,863.34 and 405,299.18 is: 559,312.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,828.50 : 1,027,863.34 = 405,299.18 : x
  2. Step 2: Convert to fraction form
    744,828.50/1,027,863.34 = 405,299.18/x
  3. Step 3: Cross multiply
    744,828.50x = 1,027,863.34 × 405,299.18
  4. Step 4: Simplify right side
    744,828.50x = 416,592,168,854.06
  5. Step 5: Solve for x
    x = 416,592,168,854.06/744,828.50
  6. Step 6: Final answer
    x = 559,312.87

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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.