Home / 1,256,465.97-1,885,787.19-657,846

Finding the Fourth Proportional to 1,256,465.97, 1,885,787.19 and 657,846

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Solution

The fourth proportional to 1,256,465.97, 1,885,787.19 and 657,846 is: 987,338.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,465.97 : 1,885,787.19 = 657,846 : x
  2. Step 2: Convert to fraction form
    1,256,465.97/1,885,787.19 = 657,846/x
  3. Step 3: Cross multiply
    1,256,465.97x = 1,885,787.19 × 657,846
  4. Step 4: Simplify right side
    1,256,465.97x = 1,240,557,559,792.74
  5. Step 5: Solve for x
    x = 1,240,557,559,792.74/1,256,465.97
  6. Step 6: Final answer
    x = 987,338.77

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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.