Home / 971,516.72-1,457,143.44-261,587.36

Finding the Fourth Proportional to 971,516.72, 1,457,143.44 and 261,587.36

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Solution

The fourth proportional to 971,516.72, 1,457,143.44 and 261,587.36 is: 392,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,516.72 : 1,457,143.44 = 261,587.36 : x
  2. Step 2: Convert to fraction form
    971,516.72/1,457,143.44 = 261,587.36/x
  3. Step 3: Cross multiply
    971,516.72x = 1,457,143.44 × 261,587.36
  4. Step 4: Simplify right side
    971,516.72x = 381,170,305,610.92
  5. Step 5: Solve for x
    x = 381,170,305,610.92/971,516.72
  6. Step 6: Final answer
    x = 392,345.60

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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.