Home / 719,194.60-992,511.72-409,089.16

Finding the Fourth Proportional to 719,194.60, 992,511.72 and 409,089.16

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Solution

The fourth proportional to 719,194.60, 992,511.72 and 409,089.16 is: 564,556.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,194.60 : 992,511.72 = 409,089.16 : x
  2. Step 2: Convert to fraction form
    719,194.60/992,511.72 = 409,089.16/x
  3. Step 3: Cross multiply
    719,194.60x = 992,511.72 × 409,089.16
  4. Step 4: Simplify right side
    719,194.60x = 406,025,785,824.96
  5. Step 5: Solve for x
    x = 406,025,785,824.96/719,194.60
  6. Step 6: Final answer
    x = 564,556.22

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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.