Home / 623,911.15-860,997.39-337,431.23

Finding the Fourth Proportional to 623,911.15, 860,997.39 and 337,431.23

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Solution

The fourth proportional to 623,911.15, 860,997.39 and 337,431.23 is: 465,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,911.15 : 860,997.39 = 337,431.23 : x
  2. Step 2: Convert to fraction form
    623,911.15/860,997.39 = 337,431.23/x
  3. Step 3: Cross multiply
    623,911.15x = 860,997.39 × 337,431.23
  4. Step 4: Simplify right side
    623,911.15x = 290,527,410,835.99
  5. Step 5: Solve for x
    x = 290,527,410,835.99/623,911.15
  6. Step 6: Final answer
    x = 465,655.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.