Home / 919,960.67-1,269,545.79-512,053.73

Finding the Fourth Proportional to 919,960.67, 1,269,545.79 and 512,053.73

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Solution

The fourth proportional to 919,960.67, 1,269,545.79 and 512,053.73 is: 706,634.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,960.67 : 1,269,545.79 = 512,053.73 : x
  2. Step 2: Convert to fraction form
    919,960.67/1,269,545.79 = 512,053.73/x
  3. Step 3: Cross multiply
    919,960.67x = 1,269,545.79 × 512,053.73
  4. Step 4: Simplify right side
    919,960.67x = 650,075,657,175.30
  5. Step 5: Solve for x
    x = 650,075,657,175.30/919,960.67
  6. Step 6: Final answer
    x = 706,634.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.