Home / 985,226.91-1,478,393.78-535,979.13

Finding the Fourth Proportional to 985,226.91, 1,478,393.78 and 535,979.13

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Solution

The fourth proportional to 985,226.91, 1,478,393.78 and 535,979.13 is: 804,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,226.91 : 1,478,393.78 = 535,979.13 : x
  2. Step 2: Convert to fraction form
    985,226.91/1,478,393.78 = 535,979.13/x
  3. Step 3: Cross multiply
    985,226.91x = 1,478,393.78 × 535,979.13
  4. Step 4: Simplify right side
    985,226.91x = 792,388,209,321.92
  5. Step 5: Solve for x
    x = 792,388,209,321.92/985,226.91
  6. Step 6: Final answer
    x = 804,269.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.