Home / 670,627.22-1,006,383.96-315,742.73

Finding the Fourth Proportional to 670,627.22, 1,006,383.96 and 315,742.73

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Solution

The fourth proportional to 670,627.22, 1,006,383.96 and 315,742.73 is: 473,822.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,627.22 : 1,006,383.96 = 315,742.73 : x
  2. Step 2: Convert to fraction form
    670,627.22/1,006,383.96 = 315,742.73/x
  3. Step 3: Cross multiply
    670,627.22x = 1,006,383.96 × 315,742.73
  4. Step 4: Simplify right side
    670,627.22x = 317,758,413,926.69
  5. Step 5: Solve for x
    x = 317,758,413,926.69/670,627.22
  6. Step 6: Final answer
    x = 473,822.72

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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.