Home / 1,090,718.23-1,636,311.87-543,908.59

Finding the Fourth Proportional to 1,090,718.23, 1,636,311.87 and 543,908.59

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Solution

The fourth proportional to 1,090,718.23, 1,636,311.87 and 543,908.59 is: 815,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,718.23 : 1,636,311.87 = 543,908.59 : x
  2. Step 2: Convert to fraction form
    1,090,718.23/1,636,311.87 = 543,908.59/x
  3. Step 3: Cross multiply
    1,090,718.23x = 1,636,311.87 × 543,908.59
  4. Step 4: Simplify right side
    1,090,718.23x = 890,004,082,011.96
  5. Step 5: Solve for x
    x = 890,004,082,011.96/1,090,718.23
  6. Step 6: Final answer
    x = 815,979.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.