Home / 719,192.60-992,508.96-409,087.16

Finding the Fourth Proportional to 719,192.60, 992,508.96 and 409,087.16

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Solution

The fourth proportional to 719,192.60, 992,508.96 and 409,087.16 is: 564,553.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,192.60 : 992,508.96 = 409,087.16 : x
  2. Step 2: Convert to fraction form
    719,192.60/992,508.96 = 409,087.16/x
  3. Step 3: Cross multiply
    719,192.60x = 992,508.96 × 409,087.16
  4. Step 4: Simplify right side
    719,192.60x = 406,022,669,958.44
  5. Step 5: Solve for x
    x = 406,022,669,958.44/719,192.60
  6. Step 6: Final answer
    x = 564,553.46

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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.