Home / 1,684,117.26-2,324,054.70-920,154.42

Finding the Fourth Proportional to 1,684,117.26, 2,324,054.70 and 920,154.42

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Solution

The fourth proportional to 1,684,117.26, 2,324,054.70 and 920,154.42 is: 1,269,798.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,117.26 : 2,324,054.70 = 920,154.42 : x
  2. Step 2: Convert to fraction form
    1,684,117.26/2,324,054.70 = 920,154.42/x
  3. Step 3: Cross multiply
    1,684,117.26x = 2,324,054.70 × 920,154.42
  4. Step 4: Simplify right side
    1,684,117.26x = 2,138,489,204,526.77
  5. Step 5: Solve for x
    x = 2,138,489,204,526.77/1,684,117.26
  6. Step 6: Final answer
    x = 1,269,798.28

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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.