Home / 1,053,945.41-1,579,949.37-379,861.74

Finding the Fourth Proportional to 1,053,945.41, 1,579,949.37 and 379,861.74

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Solution

The fourth proportional to 1,053,945.41, 1,579,949.37 and 379,861.74 is: 569,443.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,945.41 : 1,579,949.37 = 379,861.74 : x
  2. Step 2: Convert to fraction form
    1,053,945.41/1,579,949.37 = 379,861.74/x
  3. Step 3: Cross multiply
    1,053,945.41x = 1,579,949.37 × 379,861.74
  4. Step 4: Simplify right side
    1,053,945.41x = 600,162,316,800.10
  5. Step 5: Solve for x
    x = 600,162,316,800.10/1,053,945.41
  6. Step 6: Final answer
    x = 569,443.46

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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.