Home / 531,768.46-733,842.76-290,056.23

Finding the Fourth Proportional to 531,768.46, 733,842.76 and 290,056.23

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Solution

The fourth proportional to 531,768.46, 733,842.76 and 290,056.23 is: 400,278.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,768.46 : 733,842.76 = 290,056.23 : x
  2. Step 2: Convert to fraction form
    531,768.46/733,842.76 = 290,056.23/x
  3. Step 3: Cross multiply
    531,768.46x = 733,842.76 × 290,056.23
  4. Step 4: Simplify right side
    531,768.46x = 212,855,664,378.40
  5. Step 5: Solve for x
    x = 212,855,664,378.40/531,768.46
  6. Step 6: Final answer
    x = 400,278.84

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Double scale
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Similar ratio
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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.