Home / 1,109,178.34-1,529,279.13-925,680.84

Finding the Fourth Proportional to 1,109,178.34, 1,529,279.13 and 925,680.84

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Solution

The fourth proportional to 1,109,178.34, 1,529,279.13 and 925,680.84 is: 1,276,282.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,178.34 : 1,529,279.13 = 925,680.84 : x
  2. Step 2: Convert to fraction form
    1,109,178.34/1,529,279.13 = 925,680.84/x
  3. Step 3: Cross multiply
    1,109,178.34x = 1,529,279.13 × 925,680.84
  4. Step 4: Simplify right side
    1,109,178.34x = 1,415,624,389,652.87
  5. Step 5: Solve for x
    x = 1,415,624,389,652.87/1,109,178.34
  6. Step 6: Final answer
    x = 1,276,282.04

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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.