Home / 623,666.46-934,766.21-281,710.74

Finding the Fourth Proportional to 623,666.46, 934,766.21 and 281,710.74

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Solution

The fourth proportional to 623,666.46, 934,766.21 and 281,710.74 is: 422,234.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,666.46 : 934,766.21 = 281,710.74 : x
  2. Step 2: Convert to fraction form
    623,666.46/934,766.21 = 281,710.74/x
  3. Step 3: Cross multiply
    623,666.46x = 934,766.21 × 281,710.74
  4. Step 4: Simplify right side
    623,666.46x = 263,333,676,672.49
  5. Step 5: Solve for x
    x = 263,333,676,672.49/623,666.46
  6. Step 6: Final answer
    x = 422,234.79

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Double scale
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1.5x scale

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.