Home / 1,259,182.87-1,737,621.66-686,210.74

Finding the Fourth Proportional to 1,259,182.87, 1,737,621.66 and 686,210.74

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Solution

The fourth proportional to 1,259,182.87, 1,737,621.66 and 686,210.74 is: 946,943.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,182.87 : 1,737,621.66 = 686,210.74 : x
  2. Step 2: Convert to fraction form
    1,259,182.87/1,737,621.66 = 686,210.74/x
  3. Step 3: Cross multiply
    1,259,182.87x = 1,737,621.66 × 686,210.74
  4. Step 4: Simplify right side
    1,259,182.87x = 1,192,374,640,804.57
  5. Step 5: Solve for x
    x = 1,192,374,640,804.57/1,259,182.87
  6. Step 6: Final answer
    x = 946,943.19

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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.