Home / 433,860.16-598,418.40-398,165.44

Finding the Fourth Proportional to 433,860.16, 598,418.40 and 398,165.44

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Solution

The fourth proportional to 433,860.16, 598,418.40 and 398,165.44 is: 549,185.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,860.16 : 598,418.40 = 398,165.44 : x
  2. Step 2: Convert to fraction form
    433,860.16/598,418.40 = 398,165.44/x
  3. Step 3: Cross multiply
    433,860.16x = 598,418.40 × 398,165.44
  4. Step 4: Simplify right side
    433,860.16x = 238,269,525,540.10
  5. Step 5: Solve for x
    x = 238,269,525,540.10/433,860.16
  6. Step 6: Final answer
    x = 549,185.08

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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.