Home / 1,042,309.80-1,563,983.10-411,244.20

Finding the Fourth Proportional to 1,042,309.80, 1,563,983.10 and 411,244.20

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Solution

The fourth proportional to 1,042,309.80, 1,563,983.10 and 411,244.20 is: 617,070.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,309.80 : 1,563,983.10 = 411,244.20 : x
  2. Step 2: Convert to fraction form
    1,042,309.80/1,563,983.10 = 411,244.20/x
  3. Step 3: Cross multiply
    1,042,309.80x = 1,563,983.10 × 411,244.20
  4. Step 4: Simplify right side
    1,042,309.80x = 643,178,978,773.02
  5. Step 5: Solve for x
    x = 643,178,978,773.02/1,042,309.80
  6. Step 6: Final answer
    x = 617,070.84

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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.