Home / 798,359.32-1,099,864.38-556,203.88

Finding the Fourth Proportional to 798,359.32, 1,099,864.38 and 556,203.88

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Solution

The fourth proportional to 798,359.32, 1,099,864.38 and 556,203.88 is: 766,257.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,359.32 : 1,099,864.38 = 556,203.88 : x
  2. Step 2: Convert to fraction form
    798,359.32/1,099,864.38 = 556,203.88/x
  3. Step 3: Cross multiply
    798,359.32x = 1,099,864.38 × 556,203.88
  4. Step 4: Simplify right side
    798,359.32x = 611,748,835,629.79
  5. Step 5: Solve for x
    x = 611,748,835,629.79/798,359.32
  6. Step 6: Final answer
    x = 766,257.52

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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.