Home / 494,792.20-742,188.30-162,368.20

Finding the Fourth Proportional to 494,792.20, 742,188.30 and 162,368.20

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Solution

The fourth proportional to 494,792.20, 742,188.30 and 162,368.20 is: 243,552.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,792.20 : 742,188.30 = 162,368.20 : x
  2. Step 2: Convert to fraction form
    494,792.20/742,188.30 = 162,368.20/x
  3. Step 3: Cross multiply
    494,792.20x = 742,188.30 × 162,368.20
  4. Step 4: Simplify right side
    494,792.20x = 120,507,778,332.06
  5. Step 5: Solve for x
    x = 120,507,778,332.06/494,792.20
  6. Step 6: Final answer
    x = 243,552.30

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Double scale
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Similar ratio
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1.5x scale

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.