Home / 1,223,512.56-1,688,458.68-714,115.44

Finding the Fourth Proportional to 1,223,512.56, 1,688,458.68 and 714,115.44

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Solution

The fourth proportional to 1,223,512.56, 1,688,458.68 and 714,115.44 is: 985,485.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,512.56 : 1,688,458.68 = 714,115.44 : x
  2. Step 2: Convert to fraction form
    1,223,512.56/1,688,458.68 = 714,115.44/x
  3. Step 3: Cross multiply
    1,223,512.56x = 1,688,458.68 × 714,115.44
  4. Step 4: Simplify right side
    1,223,512.56x = 1,205,754,413,190.02
  5. Step 5: Solve for x
    x = 1,205,754,413,190.02/1,223,512.56
  6. Step 6: Final answer
    x = 985,485.93

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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.