Home / 1,911,891.43-2,868,269.21-632,495.88

Finding the Fourth Proportional to 1,911,891.43, 2,868,269.21 and 632,495.88

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Solution

The fourth proportional to 1,911,891.43, 2,868,269.21 and 632,495.88 is: 948,886.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,891.43 : 2,868,269.21 = 632,495.88 : x
  2. Step 2: Convert to fraction form
    1,911,891.43/2,868,269.21 = 632,495.88/x
  3. Step 3: Cross multiply
    1,911,891.43x = 2,868,269.21 × 632,495.88
  4. Step 4: Simplify right side
    1,911,891.43x = 1,814,168,459,989.89
  5. Step 5: Solve for x
    x = 1,814,168,459,989.89/1,911,891.43
  6. Step 6: Final answer
    x = 948,886.76

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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.