Home / 1,638,316.43-2,457,472.52-440,238.76

Finding the Fourth Proportional to 1,638,316.43, 2,457,472.52 and 440,238.76

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Solution

The fourth proportional to 1,638,316.43, 2,457,472.52 and 440,238.76 is: 660,357.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,316.43 : 2,457,472.52 = 440,238.76 : x
  2. Step 2: Convert to fraction form
    1,638,316.43/2,457,472.52 = 440,238.76/x
  3. Step 3: Cross multiply
    1,638,316.43x = 2,457,472.52 × 440,238.76
  4. Step 4: Simplify right side
    1,638,316.43x = 1,081,874,642,651.51
  5. Step 5: Solve for x
    x = 1,081,874,642,651.51/1,638,316.43
  6. Step 6: Final answer
    x = 660,357.56

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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.