Home / 623,905.45-860,990.10-337,425.52

Finding the Fourth Proportional to 623,905.45, 860,990.10 and 337,425.52

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Solution

The fourth proportional to 623,905.45, 860,990.10 and 337,425.52 is: 465,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,905.45 : 860,990.10 = 337,425.52 : x
  2. Step 2: Convert to fraction form
    623,905.45/860,990.10 = 337,425.52/x
  3. Step 3: Cross multiply
    623,905.45x = 860,990.10 × 337,425.52
  4. Step 4: Simplify right side
    623,905.45x = 290,520,032,207.35
  5. Step 5: Solve for x
    x = 290,520,032,207.35/623,905.45
  6. Step 6: Final answer
    x = 465,647.53

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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.