Home / 1,249,868.06-1,874,899.28-408,504.86

Finding the Fourth Proportional to 1,249,868.06, 1,874,899.28 and 408,504.86

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Solution

The fourth proportional to 1,249,868.06, 1,874,899.28 and 408,504.86 is: 612,789.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,868.06 : 1,874,899.28 = 408,504.86 : x
  2. Step 2: Convert to fraction form
    1,249,868.06/1,874,899.28 = 408,504.86/x
  3. Step 3: Cross multiply
    1,249,868.06x = 1,874,899.28 × 408,504.86
  4. Step 4: Simplify right side
    1,249,868.06x = 765,905,456,473.48
  5. Step 5: Solve for x
    x = 765,905,456,473.48/1,249,868.06
  6. Step 6: Final answer
    x = 612,789.05

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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.