Home / 1,426,193.70-1,968,162.84-781,600.16

Finding the Fourth Proportional to 1,426,193.70, 1,968,162.84 and 781,600.16

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Solution

The fourth proportional to 1,426,193.70, 1,968,162.84 and 781,600.16 is: 1,078,616.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,193.70 : 1,968,162.84 = 781,600.16 : x
  2. Step 2: Convert to fraction form
    1,426,193.70/1,968,162.84 = 781,600.16/x
  3. Step 3: Cross multiply
    1,426,193.70x = 1,968,162.84 × 781,600.16
  4. Step 4: Simplify right side
    1,426,193.70x = 1,538,316,390,650.05
  5. Step 5: Solve for x
    x = 1,538,316,390,650.05/1,426,193.70
  6. Step 6: Final answer
    x = 1,078,616.73

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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.