Home / 733,742.48-1,100,429.04-284,309.12

Finding the Fourth Proportional to 733,742.48, 1,100,429.04 and 284,309.12

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Solution

The fourth proportional to 733,742.48, 1,100,429.04 and 284,309.12 is: 426,392.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,742.48 : 1,100,429.04 = 284,309.12 : x
  2. Step 2: Convert to fraction form
    733,742.48/1,100,429.04 = 284,309.12/x
  3. Step 3: Cross multiply
    733,742.48x = 1,100,429.04 × 284,309.12
  4. Step 4: Simplify right side
    733,742.48x = 312,862,011,984.85
  5. Step 5: Solve for x
    x = 312,862,011,984.85/733,742.48
  6. Step 6: Final answer
    x = 426,392.12

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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.