Home / 492,721.10-739,276.05-193,150.70

Finding the Fourth Proportional to 492,721.10, 739,276.05 and 193,150.70

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Solution

The fourth proportional to 492,721.10, 739,276.05 and 193,150.70 is: 289,802.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,721.10 : 739,276.05 = 193,150.70 : x
  2. Step 2: Convert to fraction form
    492,721.10/739,276.05 = 193,150.70/x
  3. Step 3: Cross multiply
    492,721.10x = 739,276.05 × 193,150.70
  4. Step 4: Simplify right side
    492,721.10x = 142,791,686,550.74
  5. Step 5: Solve for x
    x = 142,791,686,550.74/492,721.10
  6. Step 6: Final answer
    x = 289,802.26

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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.