Home / 397,968.12-549,107.10-333,697.32

Finding the Fourth Proportional to 397,968.12, 549,107.10 and 333,697.32

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Solution

The fourth proportional to 397,968.12, 549,107.10 and 333,697.32 is: 460,427.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,968.12 : 549,107.10 = 333,697.32 : x
  2. Step 2: Convert to fraction form
    397,968.12/549,107.10 = 333,697.32/x
  3. Step 3: Cross multiply
    397,968.12x = 549,107.10 × 333,697.32
  4. Step 4: Simplify right side
    397,968.12x = 183,235,567,662.97
  5. Step 5: Solve for x
    x = 183,235,567,662.97/397,968.12
  6. Step 6: Final answer
    x = 460,427.75

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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.