Home / 1,054,562.20-1,581,917.08-423,476

Finding the Fourth Proportional to 1,054,562.20, 1,581,917.08 and 423,476

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Solution

The fourth proportional to 1,054,562.20, 1,581,917.08 and 423,476 is: 635,243.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,562.20 : 1,581,917.08 = 423,476 : x
  2. Step 2: Convert to fraction form
    1,054,562.20/1,581,917.08 = 423,476/x
  3. Step 3: Cross multiply
    1,054,562.20x = 1,581,917.08 × 423,476
  4. Step 4: Simplify right side
    1,054,562.20x = 669,903,917,370.08
  5. Step 5: Solve for x
    x = 669,903,917,370.08/1,054,562.20
  6. Step 6: Final answer
    x = 635,243.63

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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.