Home / 945,810.68-1,305,250.20-516,114.38

Finding the Fourth Proportional to 945,810.68, 1,305,250.20 and 516,114.38

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Solution

The fourth proportional to 945,810.68, 1,305,250.20 and 516,114.38 is: 712,255.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,810.68 : 1,305,250.20 = 516,114.38 : x
  2. Step 2: Convert to fraction form
    945,810.68/1,305,250.20 = 516,114.38/x
  3. Step 3: Cross multiply
    945,810.68x = 1,305,250.20 × 516,114.38
  4. Step 4: Simplify right side
    945,810.68x = 673,658,400,981.00
  5. Step 5: Solve for x
    x = 673,658,400,981.00/945,810.68
  6. Step 6: Final answer
    x = 712,255.02

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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.