Home / 591,214.70-886,822.05-402,257.90

Finding the Fourth Proportional to 591,214.70, 886,822.05 and 402,257.90

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Solution

The fourth proportional to 591,214.70, 886,822.05 and 402,257.90 is: 603,386.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,214.70 : 886,822.05 = 402,257.90 : x
  2. Step 2: Convert to fraction form
    591,214.70/886,822.05 = 402,257.90/x
  3. Step 3: Cross multiply
    591,214.70x = 886,822.05 × 402,257.90
  4. Step 4: Simplify right side
    591,214.70x = 356,731,175,506.70
  5. Step 5: Solve for x
    x = 356,731,175,506.70/591,214.70
  6. Step 6: Final answer
    x = 603,386.85

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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.