Home / 849,474.16-1,172,504.62-500,918.98

Finding the Fourth Proportional to 849,474.16, 1,172,504.62 and 500,918.98

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Solution

The fourth proportional to 849,474.16, 1,172,504.62 and 500,918.98 is: 691,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,474.16 : 1,172,504.62 = 500,918.98 : x
  2. Step 2: Convert to fraction form
    849,474.16/1,172,504.62 = 500,918.98/x
  3. Step 3: Cross multiply
    849,474.16x = 1,172,504.62 × 500,918.98
  4. Step 4: Simplify right side
    849,474.16x = 587,329,818,295.69
  5. Step 5: Solve for x
    x = 587,329,818,295.69/849,474.16
  6. Step 6: Final answer
    x = 691,403.98

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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.