Home / 986,322.50-1,361,111.60-550,746.57

Finding the Fourth Proportional to 986,322.50, 1,361,111.60 and 550,746.57

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Solution

The fourth proportional to 986,322.50, 1,361,111.60 and 550,746.57 is: 760,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,322.50 : 1,361,111.60 = 550,746.57 : x
  2. Step 2: Convert to fraction form
    986,322.50/1,361,111.60 = 550,746.57/x
  3. Step 3: Cross multiply
    986,322.50x = 1,361,111.60 × 550,746.57
  4. Step 4: Simplify right side
    986,322.50x = 749,627,546,464.08
  5. Step 5: Solve for x
    x = 749,627,546,464.08/986,322.50
  6. Step 6: Final answer
    x = 760,022.76

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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.