Home / 1,191,671.32-1,787,573.22-392,920.60

Finding the Fourth Proportional to 1,191,671.32, 1,787,573.22 and 392,920.60

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Solution

The fourth proportional to 1,191,671.32, 1,787,573.22 and 392,920.60 is: 589,402.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,671.32 : 1,787,573.22 = 392,920.60 : x
  2. Step 2: Convert to fraction form
    1,191,671.32/1,787,573.22 = 392,920.60/x
  3. Step 3: Cross multiply
    1,191,671.32x = 1,787,573.22 × 392,920.60
  4. Step 4: Simplify right side
    1,191,671.32x = 702,374,342,146.33
  5. Step 5: Solve for x
    x = 702,374,342,146.33/1,191,671.32
  6. Step 6: Final answer
    x = 589,402.74

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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.