Home / 578,110.86-867,161.49-451,857.23

Finding the Fourth Proportional to 578,110.86, 867,161.49 and 451,857.23

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Solution

The fourth proportional to 578,110.86, 867,161.49 and 451,857.23 is: 677,782.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,110.86 : 867,161.49 = 451,857.23 : x
  2. Step 2: Convert to fraction form
    578,110.86/867,161.49 = 451,857.23/x
  3. Step 3: Cross multiply
    578,110.86x = 867,161.49 × 451,857.23
  4. Step 4: Simplify right side
    578,110.86x = 391,833,184,887.61
  5. Step 5: Solve for x
    x = 391,833,184,887.61/578,110.86
  6. Step 6: Final answer
    x = 677,782.08

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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.