Home / 922,919.21-1,273,626.13-515,016.73

Finding the Fourth Proportional to 922,919.21, 1,273,626.13 and 515,016.73

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Solution

The fourth proportional to 922,919.21, 1,273,626.13 and 515,016.73 is: 710,721.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,919.21 : 1,273,626.13 = 515,016.73 : x
  2. Step 2: Convert to fraction form
    922,919.21/1,273,626.13 = 515,016.73/x
  3. Step 3: Cross multiply
    922,919.21x = 1,273,626.13 × 515,016.73
  4. Step 4: Simplify right side
    922,919.21x = 655,938,765,985.30
  5. Step 5: Solve for x
    x = 655,938,765,985.30/922,919.21
  6. Step 6: Final answer
    x = 710,721.76

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1.5x scale

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.