Home / 719,286.04-992,544.06-396,975.32

Finding the Fourth Proportional to 719,286.04, 992,544.06 and 396,975.32

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Solution

The fourth proportional to 719,286.04, 992,544.06 and 396,975.32 is: 547,786.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,286.04 : 992,544.06 = 396,975.32 : x
  2. Step 2: Convert to fraction form
    719,286.04/992,544.06 = 396,975.32/x
  3. Step 3: Cross multiply
    719,286.04x = 992,544.06 × 396,975.32
  4. Step 4: Simplify right side
    719,286.04x = 394,015,495,832.60
  5. Step 5: Solve for x
    x = 394,015,495,832.60/719,286.04
  6. Step 6: Final answer
    x = 547,786.94

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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.