Home / 945,869.90-1,305,328.16-516,177.73

Finding the Fourth Proportional to 945,869.90, 1,305,328.16 and 516,177.73

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Solution

The fourth proportional to 945,869.90, 1,305,328.16 and 516,177.73 is: 712,340.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,869.90 : 1,305,328.16 = 516,177.73 : x
  2. Step 2: Convert to fraction form
    945,869.90/1,305,328.16 = 516,177.73/x
  3. Step 3: Cross multiply
    945,869.90x = 1,305,328.16 × 516,177.73
  4. Step 4: Simplify right side
    945,869.90x = 673,781,326,533.88
  5. Step 5: Solve for x
    x = 673,781,326,533.88/945,869.90
  6. Step 6: Final answer
    x = 712,340.38

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Double scale
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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.