Home / 1,261,898.36-1,893,082.64-408,893.94

Finding the Fourth Proportional to 1,261,898.36, 1,893,082.64 and 408,893.94

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Solution

The fourth proportional to 1,261,898.36, 1,893,082.64 and 408,893.94 is: 613,417.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,898.36 : 1,893,082.64 = 408,893.94 : x
  2. Step 2: Convert to fraction form
    1,261,898.36/1,893,082.64 = 408,893.94/x
  3. Step 3: Cross multiply
    1,261,898.36x = 1,893,082.64 × 408,893.94
  4. Step 4: Simplify right side
    1,261,898.36x = 774,070,019,670.76
  5. Step 5: Solve for x
    x = 774,070,019,670.76/1,261,898.36
  6. Step 6: Final answer
    x = 613,417.09

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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.