Home / 1,299,909.57-1,949,470.65-353,157.27

Finding the Fourth Proportional to 1,299,909.57, 1,949,470.65 and 353,157.27

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Solution

The fourth proportional to 1,299,909.57, 1,949,470.65 and 353,157.27 is: 529,628.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,299,909.57 : 1,949,470.65 = 353,157.27 : x
  2. Step 2: Convert to fraction form
    1,299,909.57/1,949,470.65 = 353,157.27/x
  3. Step 3: Cross multiply
    1,299,909.57x = 1,949,470.65 × 353,157.27
  4. Step 4: Simplify right side
    1,299,909.57x = 688,469,732,699.13
  5. Step 5: Solve for x
    x = 688,469,732,699.13/1,299,909.57
  6. Step 6: Final answer
    x = 529,628.94

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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.