Home / 945,884.03-1,305,347.69-516,191.90

Finding the Fourth Proportional to 945,884.03, 1,305,347.69 and 516,191.90

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Solution

The fourth proportional to 945,884.03, 1,305,347.69 and 516,191.90 is: 712,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,884.03 : 1,305,347.69 = 516,191.90 : x
  2. Step 2: Convert to fraction form
    945,884.03/1,305,347.69 = 516,191.90/x
  3. Step 3: Cross multiply
    945,884.03x = 1,305,347.69 × 516,191.90
  4. Step 4: Simplify right side
    945,884.03x = 673,809,904,261.71
  5. Step 5: Solve for x
    x = 673,809,904,261.71/945,884.03
  6. Step 6: Final answer
    x = 712,359.95

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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.