Home / 1,257,564-1,735,435.44-684,608.16

Finding the Fourth Proportional to 1,257,564, 1,735,435.44 and 684,608.16

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Solution

The fourth proportional to 1,257,564, 1,735,435.44 and 684,608.16 is: 944,757.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,564 : 1,735,435.44 = 684,608.16 : x
  2. Step 2: Convert to fraction form
    1,257,564/1,735,435.44 = 684,608.16/x
  3. Step 3: Cross multiply
    1,257,564x = 1,735,435.44 × 684,608.16
  4. Step 4: Simplify right side
    1,257,564x = 1,188,093,263,377.19
  5. Step 5: Solve for x
    x = 1,188,093,263,377.19/1,257,564
  6. Step 6: Final answer
    x = 944,757.69

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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.