Home / 1,638,317.18-2,457,473.65-440,239.51

Finding the Fourth Proportional to 1,638,317.18, 2,457,473.65 and 440,239.51

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Solution

The fourth proportional to 1,638,317.18, 2,457,473.65 and 440,239.51 is: 660,358.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,317.18 : 2,457,473.65 = 440,239.51 : x
  2. Step 2: Convert to fraction form
    1,638,317.18/2,457,473.65 = 440,239.51/x
  3. Step 3: Cross multiply
    1,638,317.18x = 2,457,473.65 × 440,239.51
  4. Step 4: Simplify right side
    1,638,317.18x = 1,081,876,995,513.91
  5. Step 5: Solve for x
    x = 1,081,876,995,513.91/1,638,317.18
  6. Step 6: Final answer
    x = 660,358.70

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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.