Home / 307,949.60-461,924.40-223,312.70

Finding the Fourth Proportional to 307,949.60, 461,924.40 and 223,312.70

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Solution

The fourth proportional to 307,949.60, 461,924.40 and 223,312.70 is: 334,969.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,949.60 : 461,924.40 = 223,312.70 : x
  2. Step 2: Convert to fraction form
    307,949.60/461,924.40 = 223,312.70/x
  3. Step 3: Cross multiply
    307,949.60x = 461,924.40 × 223,312.70
  4. Step 4: Simplify right side
    307,949.60x = 103,153,584,959.88
  5. Step 5: Solve for x
    x = 103,153,584,959.88/307,949.60
  6. Step 6: Final answer
    x = 334,969.05

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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.