Home / 844,384.80-1,266,577.20-423,508.80

Finding the Fourth Proportional to 844,384.80, 1,266,577.20 and 423,508.80

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Solution

The fourth proportional to 844,384.80, 1,266,577.20 and 423,508.80 is: 635,263.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,384.80 : 1,266,577.20 = 423,508.80 : x
  2. Step 2: Convert to fraction form
    844,384.80/1,266,577.20 = 423,508.80/x
  3. Step 3: Cross multiply
    844,384.80x = 1,266,577.20 × 423,508.80
  4. Step 4: Simplify right side
    844,384.80x = 536,406,590,079.36
  5. Step 5: Solve for x
    x = 536,406,590,079.36/844,384.80
  6. Step 6: Final answer
    x = 635,263.20

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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.