Home / 973,187.20-1,342,920.96-543,441.60

Finding the Fourth Proportional to 973,187.20, 1,342,920.96 and 543,441.60

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Solution

The fourth proportional to 973,187.20, 1,342,920.96 and 543,441.60 is: 749,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,187.20 : 1,342,920.96 = 543,441.60 : x
  2. Step 2: Convert to fraction form
    973,187.20/1,342,920.96 = 543,441.60/x
  3. Step 3: Cross multiply
    973,187.20x = 1,342,920.96 × 543,441.60
  4. Step 4: Simplify right side
    973,187.20x = 729,799,115,175.94
  5. Step 5: Solve for x
    x = 729,799,115,175.94/973,187.20
  6. Step 6: Final answer
    x = 749,906.20

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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.