Home / 945,881.40-1,305,344.07-516,189.27

Finding the Fourth Proportional to 945,881.40, 1,305,344.07 and 516,189.27

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Solution

The fourth proportional to 945,881.40, 1,305,344.07 and 516,189.27 is: 712,356.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,881.40 : 1,305,344.07 = 516,189.27 : x
  2. Step 2: Convert to fraction form
    945,881.40/1,305,344.07 = 516,189.27/x
  3. Step 3: Cross multiply
    945,881.40x = 1,305,344.07 × 516,189.27
  4. Step 4: Simplify right side
    945,881.40x = 673,804,602,592.13
  5. Step 5: Solve for x
    x = 673,804,602,592.13/945,881.40
  6. Step 6: Final answer
    x = 712,356.33

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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.