Home / 631,823.34-947,901.20-227,056.44

Finding the Fourth Proportional to 631,823.34, 947,901.20 and 227,056.44

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Solution

The fourth proportional to 631,823.34, 947,901.20 and 227,056.44 is: 340,644.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,823.34 : 947,901.20 = 227,056.44 : x
  2. Step 2: Convert to fraction form
    631,823.34/947,901.20 = 227,056.44/x
  3. Step 3: Cross multiply
    631,823.34x = 947,901.20 × 227,056.44
  4. Step 4: Simplify right side
    631,823.34x = 215,227,070,808.45
  5. Step 5: Solve for x
    x = 215,227,070,808.45/631,823.34
  6. Step 6: Final answer
    x = 340,644.38

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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.