Home / 1,231,522.15-1,700,674.41-1,164,428.64

Finding the Fourth Proportional to 1,231,522.15, 1,700,674.41 and 1,164,428.64

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Solution

The fourth proportional to 1,231,522.15, 1,700,674.41 and 1,164,428.64 is: 1,608,021.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,522.15 : 1,700,674.41 = 1,164,428.64 : x
  2. Step 2: Convert to fraction form
    1,231,522.15/1,700,674.41 = 1,164,428.64/x
  3. Step 3: Cross multiply
    1,231,522.15x = 1,700,674.41 × 1,164,428.64
  4. Step 4: Simplify right side
    1,231,522.15x = 1,980,313,990,319.10
  5. Step 5: Solve for x
    x = 1,980,313,990,319.10/1,231,522.15
  6. Step 6: Final answer
    x = 1,608,021.42

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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.