Home / 494,826.60-742,142.70-162,402.60

Finding the Fourth Proportional to 494,826.60, 742,142.70 and 162,402.60

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Solution

The fourth proportional to 494,826.60, 742,142.70 and 162,402.60 is: 243,572.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,826.60 : 742,142.70 = 162,402.60 : x
  2. Step 2: Convert to fraction form
    494,826.60/742,142.70 = 162,402.60/x
  3. Step 3: Cross multiply
    494,826.60x = 742,142.70 × 162,402.60
  4. Step 4: Simplify right side
    494,826.60x = 120,525,904,051.02
  5. Step 5: Solve for x
    x = 120,525,904,051.02/494,826.60
  6. Step 6: Final answer
    x = 243,572.00

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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.