Home / 747,936.56-1,122,313.08-433,008.56

Finding the Fourth Proportional to 747,936.56, 1,122,313.08 and 433,008.56

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Solution

The fourth proportional to 747,936.56, 1,122,313.08 and 433,008.56 is: 649,749.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,936.56 : 1,122,313.08 = 433,008.56 : x
  2. Step 2: Convert to fraction form
    747,936.56/1,122,313.08 = 433,008.56/x
  3. Step 3: Cross multiply
    747,936.56x = 1,122,313.08 × 433,008.56
  4. Step 4: Simplify right side
    747,936.56x = 485,971,170,639.97
  5. Step 5: Solve for x
    x = 485,971,170,639.97/747,936.56
  6. Step 6: Final answer
    x = 649,749.19

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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.