Home / 1,399,415.93-1,932,278.93-1,092,957.29

Finding the Fourth Proportional to 1,399,415.93, 1,932,278.93 and 1,092,957.29

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Solution

The fourth proportional to 1,399,415.93, 1,932,278.93 and 1,092,957.29 is: 1,509,128.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,415.93 : 1,932,278.93 = 1,092,957.29 : x
  2. Step 2: Convert to fraction form
    1,399,415.93/1,932,278.93 = 1,092,957.29/x
  3. Step 3: Cross multiply
    1,399,415.93x = 1,932,278.93 × 1,092,957.29
  4. Step 4: Simplify right side
    1,399,415.93x = 2,111,898,337,392.11
  5. Step 5: Solve for x
    x = 2,111,898,337,392.11/1,399,415.93
  6. Step 6: Final answer
    x = 1,509,128.41

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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.