Home / 634,271.45-951,261.53-378,176.45

Finding the Fourth Proportional to 634,271.45, 951,261.53 and 378,176.45

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Solution

The fourth proportional to 634,271.45, 951,261.53 and 378,176.45 is: 567,177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,271.45 : 951,261.53 = 378,176.45 : x
  2. Step 2: Convert to fraction form
    634,271.45/951,261.53 = 378,176.45/x
  3. Step 3: Cross multiply
    634,271.45x = 951,261.53 × 378,176.45
  4. Step 4: Simplify right side
    634,271.45x = 359,744,701,789.78
  5. Step 5: Solve for x
    x = 359,744,701,789.78/634,271.45
  6. Step 6: Final answer
    x = 567,177.83

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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.