Home / 903,788.04-1,247,333.94-501,405.96

Finding the Fourth Proportional to 903,788.04, 1,247,333.94 and 501,405.96

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Solution

The fourth proportional to 903,788.04, 1,247,333.94 and 501,405.96 is: 691,999.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,788.04 : 1,247,333.94 = 501,405.96 : x
  2. Step 2: Convert to fraction form
    903,788.04/1,247,333.94 = 501,405.96/x
  3. Step 3: Cross multiply
    903,788.04x = 1,247,333.94 × 501,405.96
  4. Step 4: Simplify right side
    903,788.04x = 625,420,671,626.28
  5. Step 5: Solve for x
    x = 625,420,671,626.28/903,788.04
  6. Step 6: Final answer
    x = 691,999.28

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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.