Home / 750,038.16-1,035,055.44-405,874.11

Finding the Fourth Proportional to 750,038.16, 1,035,055.44 and 405,874.11

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Solution

The fourth proportional to 750,038.16, 1,035,055.44 and 405,874.11 is: 560,107.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,038.16 : 1,035,055.44 = 405,874.11 : x
  2. Step 2: Convert to fraction form
    750,038.16/1,035,055.44 = 405,874.11/x
  3. Step 3: Cross multiply
    750,038.16x = 1,035,055.44 × 405,874.11
  4. Step 4: Simplify right side
    750,038.16x = 420,102,205,510.66
  5. Step 5: Solve for x
    x = 420,102,205,510.66/750,038.16
  6. Step 6: Final answer
    x = 560,107.78

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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.