Home / 1,333,728.10-1,840,544.62-721,880.76

Finding the Fourth Proportional to 1,333,728.10, 1,840,544.62 and 721,880.76

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Solution

The fourth proportional to 1,333,728.10, 1,840,544.62 and 721,880.76 is: 996,195.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,728.10 : 1,840,544.62 = 721,880.76 : x
  2. Step 2: Convert to fraction form
    1,333,728.10/1,840,544.62 = 721,880.76/x
  3. Step 3: Cross multiply
    1,333,728.10x = 1,840,544.62 × 721,880.76
  4. Step 4: Simplify right side
    1,333,728.10x = 1,328,653,749,099.51
  5. Step 5: Solve for x
    x = 1,328,653,749,099.51/1,333,728.10
  6. Step 6: Final answer
    x = 996,195.36

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1.5x scale

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.