Home / 1,439,033.70-1,985,834.94-785,637.38

Finding the Fourth Proportional to 1,439,033.70, 1,985,834.94 and 785,637.38

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Solution

The fourth proportional to 1,439,033.70, 1,985,834.94 and 785,637.38 is: 1,084,162.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,033.70 : 1,985,834.94 = 785,637.38 : x
  2. Step 2: Convert to fraction form
    1,439,033.70/1,985,834.94 = 785,637.38/x
  3. Step 3: Cross multiply
    1,439,033.70x = 1,985,834.94 × 785,637.38
  4. Step 4: Simplify right side
    1,439,033.70x = 1,560,146,159,374.06
  5. Step 5: Solve for x
    x = 1,560,146,159,374.06/1,439,033.70
  6. Step 6: Final answer
    x = 1,084,162.35

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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.