Home / 1,426,496.91-1,968,566.19-781,921.49

Finding the Fourth Proportional to 1,426,496.91, 1,968,566.19 and 781,921.49

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Solution

The fourth proportional to 1,426,496.91, 1,968,566.19 and 781,921.49 is: 1,079,051.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,496.91 : 1,968,566.19 = 781,921.49 : x
  2. Step 2: Convert to fraction form
    1,426,496.91/1,968,566.19 = 781,921.49/x
  3. Step 3: Cross multiply
    1,426,496.91x = 1,968,566.19 × 781,921.49
  4. Step 4: Simplify right side
    1,426,496.91x = 1,539,264,195,673.39
  5. Step 5: Solve for x
    x = 1,539,264,195,673.39/1,426,496.91
  6. Step 6: Final answer
    x = 1,079,051.90

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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.