Home / 1,257,110.16-1,734,778.64-684,138

Finding the Fourth Proportional to 1,257,110.16, 1,734,778.64 and 684,138

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Solution

The fourth proportional to 1,257,110.16, 1,734,778.64 and 684,138 is: 944,092.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,110.16 : 1,734,778.64 = 684,138 : x
  2. Step 2: Convert to fraction form
    1,257,110.16/1,734,778.64 = 684,138/x
  3. Step 3: Cross multiply
    1,257,110.16x = 1,734,778.64 × 684,138
  4. Step 4: Simplify right side
    1,257,110.16x = 1,186,827,989,212.32
  5. Step 5: Solve for x
    x = 1,186,827,989,212.32/1,257,110.16
  6. Step 6: Final answer
    x = 944,092.27

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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.