Home / 922,121.60-1,383,182.40-916,216.70

Finding the Fourth Proportional to 922,121.60, 1,383,182.40 and 916,216.70

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Solution

The fourth proportional to 922,121.60, 1,383,182.40 and 916,216.70 is: 1,374,325.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,121.60 : 1,383,182.40 = 916,216.70 : x
  2. Step 2: Convert to fraction form
    922,121.60/1,383,182.40 = 916,216.70/x
  3. Step 3: Cross multiply
    922,121.60x = 1,383,182.40 × 916,216.70
  4. Step 4: Simplify right side
    922,121.60x = 1,267,294,814,026.08
  5. Step 5: Solve for x
    x = 1,267,294,814,026.08/922,121.60
  6. Step 6: Final answer
    x = 1,374,325.05

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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.