Home / 1,210,969.31-1,816,781.87-452,887.79

Finding the Fourth Proportional to 1,210,969.31, 1,816,781.87 and 452,887.79

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Solution

The fourth proportional to 1,210,969.31, 1,816,781.87 and 452,887.79 is: 679,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,969.31 : 1,816,781.87 = 452,887.79 : x
  2. Step 2: Convert to fraction form
    1,210,969.31/1,816,781.87 = 452,887.79/x
  3. Step 3: Cross multiply
    1,210,969.31x = 1,816,781.87 × 452,887.79
  4. Step 4: Simplify right side
    1,210,969.31x = 822,798,318,064.68
  5. Step 5: Solve for x
    x = 822,798,318,064.68/1,210,969.31
  6. Step 6: Final answer
    x = 679,454.31

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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.