Home / 1,073,175.55-1,480,659.30-643,298.83

Finding the Fourth Proportional to 1,073,175.55, 1,480,659.30 and 643,298.83

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Solution

The fourth proportional to 1,073,175.55, 1,480,659.30 and 643,298.83 is: 887,558.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,175.55 : 1,480,659.30 = 643,298.83 : x
  2. Step 2: Convert to fraction form
    1,073,175.55/1,480,659.30 = 643,298.83/x
  3. Step 3: Cross multiply
    1,073,175.55x = 1,480,659.30 × 643,298.83
  4. Step 4: Simplify right side
    1,073,175.55x = 952,506,395,318.62
  5. Step 5: Solve for x
    x = 952,506,395,318.62/1,073,175.55
  6. Step 6: Final answer
    x = 887,558.79

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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.