Home / 1,081,935.28-1,492,940.56-623,199.04

Finding the Fourth Proportional to 1,081,935.28, 1,492,940.56 and 623,199.04

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Solution

The fourth proportional to 1,081,935.28, 1,492,940.56 and 623,199.04 is: 859,939.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,935.28 : 1,492,940.56 = 623,199.04 : x
  2. Step 2: Convert to fraction form
    1,081,935.28/1,492,940.56 = 623,199.04/x
  3. Step 3: Cross multiply
    1,081,935.28x = 1,492,940.56 × 623,199.04
  4. Step 4: Simplify right side
    1,081,935.28x = 930,399,123,769.06
  5. Step 5: Solve for x
    x = 930,399,123,769.06/1,081,935.28
  6. Step 6: Final answer
    x = 859,939.72

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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.