Home / 1,107,865.17-1,528,600.32-699,475.71

Finding the Fourth Proportional to 1,107,865.17, 1,528,600.32 and 699,475.71

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Solution

The fourth proportional to 1,107,865.17, 1,528,600.32 and 699,475.71 is: 965,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,865.17 : 1,528,600.32 = 699,475.71 : x
  2. Step 2: Convert to fraction form
    1,107,865.17/1,528,600.32 = 699,475.71/x
  3. Step 3: Cross multiply
    1,107,865.17x = 1,528,600.32 × 699,475.71
  4. Step 4: Simplify right side
    1,107,865.17x = 1,069,218,794,138.23
  5. Step 5: Solve for x
    x = 1,069,218,794,138.23/1,107,865.17
  6. Step 6: Final answer
    x = 965,116.35

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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.