Home / 634,897.14-876,183.30-348,427.56

Finding the Fourth Proportional to 634,897.14, 876,183.30 and 348,427.56

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Solution

The fourth proportional to 634,897.14, 876,183.30 and 348,427.56 is: 480,843.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,897.14 : 876,183.30 = 348,427.56 : x
  2. Step 2: Convert to fraction form
    634,897.14/876,183.30 = 348,427.56/x
  3. Step 3: Cross multiply
    634,897.14x = 876,183.30 × 348,427.56
  4. Step 4: Simplify right side
    634,897.14x = 305,286,409,331.75
  5. Step 5: Solve for x
    x = 305,286,409,331.75/634,897.14
  6. Step 6: Final answer
    x = 480,843.89

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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.