Home / 406,844.28-561,429.90-227,984.76

Finding the Fourth Proportional to 406,844.28, 561,429.90 and 227,984.76

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Solution

The fourth proportional to 406,844.28, 561,429.90 and 227,984.76 is: 314,610.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,844.28 : 561,429.90 = 227,984.76 : x
  2. Step 2: Convert to fraction form
    406,844.28/561,429.90 = 227,984.76/x
  3. Step 3: Cross multiply
    406,844.28x = 561,429.90 × 227,984.76
  4. Step 4: Simplify right side
    406,844.28x = 127,997,461,008.32
  5. Step 5: Solve for x
    x = 127,997,461,008.32/406,844.28
  6. Step 6: Final answer
    x = 314,610.45

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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.