Home / 719,026.26-992,277.01-396,757.11

Finding the Fourth Proportional to 719,026.26, 992,277.01 and 396,757.11

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Solution

The fourth proportional to 719,026.26, 992,277.01 and 396,757.11 is: 547,536.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,026.26 : 992,277.01 = 396,757.11 : x
  2. Step 2: Convert to fraction form
    719,026.26/992,277.01 = 396,757.11/x
  3. Step 3: Cross multiply
    719,026.26x = 992,277.01 × 396,757.11
  4. Step 4: Simplify right side
    719,026.26x = 393,692,958,807.04
  5. Step 5: Solve for x
    x = 393,692,958,807.04/719,026.26
  6. Step 6: Final answer
    x = 547,536.27

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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.