Home / 1,691,639.20-2,334,247.02-966,533.88

Finding the Fourth Proportional to 1,691,639.20, 2,334,247.02 and 966,533.88

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Solution

The fourth proportional to 1,691,639.20, 2,334,247.02 and 966,533.88 is: 1,333,693.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,639.20 : 2,334,247.02 = 966,533.88 : x
  2. Step 2: Convert to fraction form
    1,691,639.20/2,334,247.02 = 966,533.88/x
  3. Step 3: Cross multiply
    1,691,639.20x = 2,334,247.02 × 966,533.88
  4. Step 4: Simplify right side
    1,691,639.20x = 2,256,128,829,119.04
  5. Step 5: Solve for x
    x = 2,256,128,829,119.04/1,691,639.20
  6. Step 6: Final answer
    x = 1,333,693.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.