Home / 664,185.24-916,570.98-377,705.25

Finding the Fourth Proportional to 664,185.24, 916,570.98 and 377,705.25

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Solution

The fourth proportional to 664,185.24, 916,570.98 and 377,705.25 is: 521,230.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,185.24 : 916,570.98 = 377,705.25 : x
  2. Step 2: Convert to fraction form
    664,185.24/916,570.98 = 377,705.25/x
  3. Step 3: Cross multiply
    664,185.24x = 916,570.98 × 377,705.25
  4. Step 4: Simplify right side
    664,185.24x = 346,193,671,143.65
  5. Step 5: Solve for x
    x = 346,193,671,143.65/664,185.24
  6. Step 6: Final answer
    x = 521,230.60

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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.