Home / 1,328,804.46-1,833,508.71-785,028.78

Finding the Fourth Proportional to 1,328,804.46, 1,833,508.71 and 785,028.78

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Solution

The fourth proportional to 1,328,804.46, 1,833,508.71 and 785,028.78 is: 1,083,197.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,804.46 : 1,833,508.71 = 785,028.78 : x
  2. Step 2: Convert to fraction form
    1,328,804.46/1,833,508.71 = 785,028.78/x
  3. Step 3: Cross multiply
    1,328,804.46x = 1,833,508.71 × 785,028.78
  4. Step 4: Simplify right side
    1,328,804.46x = 1,439,357,105,730.67
  5. Step 5: Solve for x
    x = 1,439,357,105,730.67/1,328,804.46
  6. Step 6: Final answer
    x = 1,083,197.08

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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.