Home / 726,897.10-1,090,345.65-694,237.90

Finding the Fourth Proportional to 726,897.10, 1,090,345.65 and 694,237.90

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Solution

The fourth proportional to 726,897.10, 1,090,345.65 and 694,237.90 is: 1,041,356.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,897.10 : 1,090,345.65 = 694,237.90 : x
  2. Step 2: Convert to fraction form
    726,897.10/1,090,345.65 = 694,237.90/x
  3. Step 3: Cross multiply
    726,897.10x = 1,090,345.65 × 694,237.90
  4. Step 4: Simplify right side
    726,897.10x = 756,959,274,330.14
  5. Step 5: Solve for x
    x = 756,959,274,330.14/726,897.10
  6. Step 6: Final answer
    x = 1,041,356.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.