Home / 1,530,877.24-2,112,869.64-886,689.64

Finding the Fourth Proportional to 1,530,877.24, 2,112,869.64 and 886,689.64

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Solution

The fourth proportional to 1,530,877.24, 2,112,869.64 and 886,689.64 is: 1,223,781.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,877.24 : 2,112,869.64 = 886,689.64 : x
  2. Step 2: Convert to fraction form
    1,530,877.24/2,112,869.64 = 886,689.64/x
  3. Step 3: Cross multiply
    1,530,877.24x = 2,112,869.64 × 886,689.64
  4. Step 4: Simplify right side
    1,530,877.24x = 1,873,459,620,458.53
  5. Step 5: Solve for x
    x = 1,873,459,620,458.53/1,530,877.24
  6. Step 6: Final answer
    x = 1,223,781.75

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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.