Home / 1,911,900.31-2,868,282.51-632,504.77

Finding the Fourth Proportional to 1,911,900.31, 2,868,282.51 and 632,504.77

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Solution

The fourth proportional to 1,911,900.31, 2,868,282.51 and 632,504.77 is: 948,900.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,900.31 : 2,868,282.51 = 632,504.77 : x
  2. Step 2: Convert to fraction form
    1,911,900.31/2,868,282.51 = 632,504.77/x
  3. Step 3: Cross multiply
    1,911,900.31x = 2,868,282.51 × 632,504.77
  4. Step 4: Simplify right side
    1,911,900.31x = 1,814,202,369,282.57
  5. Step 5: Solve for x
    x = 1,814,202,369,282.57/1,911,900.31
  6. Step 6: Final answer
    x = 948,900.09

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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.