Home / 538,975.40-808,560.30-223,464.20

Finding the Fourth Proportional to 538,975.40, 808,560.30 and 223,464.20

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Solution

The fourth proportional to 538,975.40, 808,560.30 and 223,464.20 is: 335,236.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,975.40 : 808,560.30 = 223,464.20 : x
  2. Step 2: Convert to fraction form
    538,975.40/808,560.30 = 223,464.20/x
  3. Step 3: Cross multiply
    538,975.40x = 808,560.30 × 223,464.20
  4. Step 4: Simplify right side
    538,975.40x = 180,684,280,591.26
  5. Step 5: Solve for x
    x = 180,684,280,591.26/538,975.40
  6. Step 6: Final answer
    x = 335,236.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.