Home / 1,205,810.32-1,808,991.42-522,811.30

Finding the Fourth Proportional to 1,205,810.32, 1,808,991.42 and 522,811.30

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Solution

The fourth proportional to 1,205,810.32, 1,808,991.42 and 522,811.30 is: 784,336.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,810.32 : 1,808,991.42 = 522,811.30 : x
  2. Step 2: Convert to fraction form
    1,205,810.32/1,808,991.42 = 522,811.30/x
  3. Step 3: Cross multiply
    1,205,810.32x = 1,808,991.42 × 522,811.30
  4. Step 4: Simplify right side
    1,205,810.32x = 945,761,155,979.05
  5. Step 5: Solve for x
    x = 945,761,155,979.05/1,205,810.32
  6. Step 6: Final answer
    x = 784,336.59

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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.