Home / 1,082,415.08-1,623,589.14-514,205.21

Finding the Fourth Proportional to 1,082,415.08, 1,623,589.14 and 514,205.21

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Solution

The fourth proportional to 1,082,415.08, 1,623,589.14 and 514,205.21 is: 771,291.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,415.08 : 1,623,589.14 = 514,205.21 : x
  2. Step 2: Convert to fraction form
    1,082,415.08/1,623,589.14 = 514,205.21/x
  3. Step 3: Cross multiply
    1,082,415.08x = 1,623,589.14 × 514,205.21
  4. Step 4: Simplify right side
    1,082,415.08x = 834,857,994,687.42
  5. Step 5: Solve for x
    x = 834,857,994,687.42/1,082,415.08
  6. Step 6: Final answer
    x = 771,291.91

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Double scale
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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.