Home / 1,333,995.30-1,840,911.57-722,145.06

Finding the Fourth Proportional to 1,333,995.30, 1,840,911.57 and 722,145.06

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Solution

The fourth proportional to 1,333,995.30, 1,840,911.57 and 722,145.06 is: 996,559.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,995.30 : 1,840,911.57 = 722,145.06 : x
  2. Step 2: Convert to fraction form
    1,333,995.30/1,840,911.57 = 722,145.06/x
  3. Step 3: Cross multiply
    1,333,995.30x = 1,840,911.57 × 722,145.06
  4. Step 4: Simplify right side
    1,333,995.30x = 1,329,405,196,172.34
  5. Step 5: Solve for x
    x = 1,329,405,196,172.34/1,333,995.30
  6. Step 6: Final answer
    x = 996,559.13

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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.