Home / 1,253,219.20-1,879,901.84-354,585.76

Finding the Fourth Proportional to 1,253,219.20, 1,879,901.84 and 354,585.76

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Solution

The fourth proportional to 1,253,219.20, 1,879,901.84 and 354,585.76 is: 531,899.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,219.20 : 1,879,901.84 = 354,585.76 : x
  2. Step 2: Convert to fraction form
    1,253,219.20/1,879,901.84 = 354,585.76/x
  3. Step 3: Cross multiply
    1,253,219.20x = 1,879,901.84 × 354,585.76
  4. Step 4: Simplify right side
    1,253,219.20x = 666,586,422,661.80
  5. Step 5: Solve for x
    x = 666,586,422,661.80/1,253,219.20
  6. Step 6: Final answer
    x = 531,899.31

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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.