Home / 544,520.49-751,328.15-318,122.25

Finding the Fourth Proportional to 544,520.49, 751,328.15 and 318,122.25

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Solution

The fourth proportional to 544,520.49, 751,328.15 and 318,122.25 is: 438,944.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,520.49 : 751,328.15 = 318,122.25 : x
  2. Step 2: Convert to fraction form
    544,520.49/751,328.15 = 318,122.25/x
  3. Step 3: Cross multiply
    544,520.49x = 751,328.15 × 318,122.25
  4. Step 4: Simplify right side
    544,520.49x = 239,014,201,566.34
  5. Step 5: Solve for x
    x = 239,014,201,566.34/544,520.49
  6. Step 6: Final answer
    x = 438,944.37

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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.