Home / 403,555.32-556,898.22-252,735.48

Finding the Fourth Proportional to 403,555.32, 556,898.22 and 252,735.48

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Solution

The fourth proportional to 403,555.32, 556,898.22 and 252,735.48 is: 348,769.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,555.32 : 556,898.22 = 252,735.48 : x
  2. Step 2: Convert to fraction form
    403,555.32/556,898.22 = 252,735.48/x
  3. Step 3: Cross multiply
    403,555.32x = 556,898.22 × 252,735.48
  4. Step 4: Simplify right side
    403,555.32x = 140,747,938,942.85
  5. Step 5: Solve for x
    x = 140,747,938,942.85/403,555.32
  6. Step 6: Final answer
    x = 348,769.88

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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.