Home / 719,028.66-992,253.32-396,741.82

Finding the Fourth Proportional to 719,028.66, 992,253.32 and 396,741.82

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Solution

The fourth proportional to 719,028.66, 992,253.32 and 396,741.82 is: 547,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,028.66 : 992,253.32 = 396,741.82 : x
  2. Step 2: Convert to fraction form
    719,028.66/992,253.32 = 396,741.82/x
  3. Step 3: Cross multiply
    719,028.66x = 992,253.32 × 396,741.82
  4. Step 4: Simplify right side
    719,028.66x = 393,668,388,077.84
  5. Step 5: Solve for x
    x = 393,668,388,077.84/719,028.66
  6. Step 6: Final answer
    x = 547,500.27

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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.