Home / 724,244.80-1,086,408.74-191,752

Finding the Fourth Proportional to 724,244.80, 1,086,408.74 and 191,752

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Solution

The fourth proportional to 724,244.80, 1,086,408.74 and 191,752 is: 287,639.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,244.80 : 1,086,408.74 = 191,752 : x
  2. Step 2: Convert to fraction form
    724,244.80/1,086,408.74 = 191,752/x
  3. Step 3: Cross multiply
    724,244.80x = 1,086,408.74 × 191,752
  4. Step 4: Simplify right side
    724,244.80x = 208,321,048,712.48
  5. Step 5: Solve for x
    x = 208,321,048,712.48/724,244.80
  6. Step 6: Final answer
    x = 287,639.00

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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.