Home / 623,725.20-860,741.10-337,245.30

Finding the Fourth Proportional to 623,725.20, 860,741.10 and 337,245.30

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Solution

The fourth proportional to 623,725.20, 860,741.10 and 337,245.30 is: 465,398.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,725.20 : 860,741.10 = 337,245.30 : x
  2. Step 2: Convert to fraction form
    623,725.20/860,741.10 = 337,245.30/x
  3. Step 3: Cross multiply
    623,725.20x = 860,741.10 × 337,245.30
  4. Step 4: Simplify right side
    623,725.20x = 290,280,890,491.83
  5. Step 5: Solve for x
    x = 290,280,890,491.83/623,725.20
  6. Step 6: Final answer
    x = 465,398.69

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Double scale
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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.