Home / 1,638,405.32-2,457,239.26-587,781.32

Finding the Fourth Proportional to 1,638,405.32, 2,457,239.26 and 587,781.32

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Solution

The fourth proportional to 1,638,405.32, 2,457,239.26 and 587,781.32 is: 881,539.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,405.32 : 2,457,239.26 = 587,781.32 : x
  2. Step 2: Convert to fraction form
    1,638,405.32/2,457,239.26 = 587,781.32/x
  3. Step 3: Cross multiply
    1,638,405.32x = 2,457,239.26 × 587,781.32
  4. Step 4: Simplify right side
    1,638,405.32x = 1,444,319,335,798.62
  5. Step 5: Solve for x
    x = 1,444,319,335,798.62/1,638,405.32
  6. Step 6: Final answer
    x = 881,539.70

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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.