Home / 1,257,538.32-1,735,403.12-684,578.32

Finding the Fourth Proportional to 1,257,538.32, 1,735,403.12 and 684,578.32

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Solution

The fourth proportional to 1,257,538.32, 1,735,403.12 and 684,578.32 is: 944,718.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,538.32 : 1,735,403.12 = 684,578.32 : x
  2. Step 2: Convert to fraction form
    1,257,538.32/1,735,403.12 = 684,578.32/x
  3. Step 3: Cross multiply
    1,257,538.32x = 1,735,403.12 × 684,578.32
  4. Step 4: Simplify right side
    1,257,538.32x = 1,188,019,352,412.36
  5. Step 5: Solve for x
    x = 1,188,019,352,412.36/1,257,538.32
  6. Step 6: Final answer
    x = 944,718.21

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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.