Home / 729,707.59-1,094,619.75-256,499.11

Finding the Fourth Proportional to 729,707.59, 1,094,619.75 and 256,499.11

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Solution

The fourth proportional to 729,707.59, 1,094,619.75 and 256,499.11 is: 384,769.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,707.59 : 1,094,619.75 = 256,499.11 : x
  2. Step 2: Convert to fraction form
    729,707.59/1,094,619.75 = 256,499.11/x
  3. Step 3: Cross multiply
    729,707.59x = 1,094,619.75 × 256,499.11
  4. Step 4: Simplify right side
    729,707.59x = 280,768,991,663.42
  5. Step 5: Solve for x
    x = 280,768,991,663.42/729,707.59
  6. Step 6: Final answer
    x = 384,769.18

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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.