Home / 574,923.75-792,969.75-421,910.25

Finding the Fourth Proportional to 574,923.75, 792,969.75 and 421,910.25

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Solution

The fourth proportional to 574,923.75, 792,969.75 and 421,910.25 is: 581,924.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,923.75 : 792,969.75 = 421,910.25 : x
  2. Step 2: Convert to fraction form
    574,923.75/792,969.75 = 421,910.25/x
  3. Step 3: Cross multiply
    574,923.75x = 792,969.75 × 421,910.25
  4. Step 4: Simplify right side
    574,923.75x = 334,562,065,464.94
  5. Step 5: Solve for x
    x = 334,562,065,464.94/574,923.75
  6. Step 6: Final answer
    x = 581,924.24

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1.5x scale

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.