Home / 1,333,992.50-1,840,907.53-722,145.10

Finding the Fourth Proportional to 1,333,992.50, 1,840,907.53 and 722,145.10

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Solution

The fourth proportional to 1,333,992.50, 1,840,907.53 and 722,145.10 is: 996,559.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,992.50 : 1,840,907.53 = 722,145.10 : x
  2. Step 2: Convert to fraction form
    1,333,992.50/1,840,907.53 = 722,145.10/x
  3. Step 3: Cross multiply
    1,333,992.50x = 1,840,907.53 × 722,145.10
  4. Step 4: Simplify right side
    1,333,992.50x = 1,329,402,345,934.97
  5. Step 5: Solve for x
    x = 1,329,402,345,934.97/1,333,992.50
  6. Step 6: Final answer
    x = 996,559.09

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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.