Home / 1,785,601.28-2,678,406.72-437,769.92

Finding the Fourth Proportional to 1,785,601.28, 2,678,406.72 and 437,769.92

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Solution

The fourth proportional to 1,785,601.28, 2,678,406.72 and 437,769.92 is: 656,656.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,601.28 : 2,678,406.72 = 437,769.92 : x
  2. Step 2: Convert to fraction form
    1,785,601.28/2,678,406.72 = 437,769.92/x
  3. Step 3: Cross multiply
    1,785,601.28x = 2,678,406.72 × 437,769.92
  4. Step 4: Simplify right side
    1,785,601.28x = 1,172,525,895,541.86
  5. Step 5: Solve for x
    x = 1,172,525,895,541.86/1,785,601.28
  6. Step 6: Final answer
    x = 656,656.06

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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.