Home / 528,418.98-792,161.91-404,314.02

Finding the Fourth Proportional to 528,418.98, 792,161.91 and 404,314.02

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Solution

The fourth proportional to 528,418.98, 792,161.91 and 404,314.02 is: 606,114.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,418.98 : 792,161.91 = 404,314.02 : x
  2. Step 2: Convert to fraction form
    528,418.98/792,161.91 = 404,314.02/x
  3. Step 3: Cross multiply
    528,418.98x = 792,161.91 × 404,314.02
  4. Step 4: Simplify right side
    528,418.98x = 320,282,166,322.98
  5. Step 5: Solve for x
    x = 320,282,166,322.98/528,418.98
  6. Step 6: Final answer
    x = 606,114.05

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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.