Home / 1,298,453.08-1,948,379.46-540,817.96

Finding the Fourth Proportional to 1,298,453.08, 1,948,379.46 and 540,817.96

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Solution

The fourth proportional to 1,298,453.08, 1,948,379.46 and 540,817.96 is: 811,518.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,453.08 : 1,948,379.46 = 540,817.96 : x
  2. Step 2: Convert to fraction form
    1,298,453.08/1,948,379.46 = 540,817.96/x
  3. Step 3: Cross multiply
    1,298,453.08x = 1,948,379.46 × 540,817.96
  4. Step 4: Simplify right side
    1,298,453.08x = 1,053,718,604,863.10
  5. Step 5: Solve for x
    x = 1,053,718,604,863.10/1,298,453.08
  6. Step 6: Final answer
    x = 811,518.43

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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.