Home / 623,912.12-860,998.73-337,432.21

Finding the Fourth Proportional to 623,912.12, 860,998.73 and 337,432.21

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Solution

The fourth proportional to 623,912.12, 860,998.73 and 337,432.21 is: 465,656.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,912.12 : 860,998.73 = 337,432.21 : x
  2. Step 2: Convert to fraction form
    623,912.12/860,998.73 = 337,432.21/x
  3. Step 3: Cross multiply
    623,912.12x = 860,998.73 × 337,432.21
  4. Step 4: Simplify right side
    623,912.12x = 290,528,698,278.94
  5. Step 5: Solve for x
    x = 290,528,698,278.94/623,912.12
  6. Step 6: Final answer
    x = 465,656.44

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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.