Home / 1,257,109.64-1,734,778.02-684,137.48

Finding the Fourth Proportional to 1,257,109.64, 1,734,778.02 and 684,137.48

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Solution

The fourth proportional to 1,257,109.64, 1,734,778.02 and 684,137.48 is: 944,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,109.64 : 1,734,778.02 = 684,137.48 : x
  2. Step 2: Convert to fraction form
    1,257,109.64/1,734,778.02 = 684,137.48/x
  3. Step 3: Cross multiply
    1,257,109.64x = 1,734,778.02 × 684,137.48
  4. Step 4: Simplify right side
    1,257,109.64x = 1,186,826,662,962.19
  5. Step 5: Solve for x
    x = 1,186,826,662,962.19/1,257,109.64
  6. Step 6: Final answer
    x = 944,091.61

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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.