Home / 1,638,404.32-2,457,237.76-587,780.32

Finding the Fourth Proportional to 1,638,404.32, 2,457,237.76 and 587,780.32

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Solution

The fourth proportional to 1,638,404.32, 2,457,237.76 and 587,780.32 is: 881,538.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,404.32 : 2,457,237.76 = 587,780.32 : x
  2. Step 2: Convert to fraction form
    1,638,404.32/2,457,237.76 = 587,780.32/x
  3. Step 3: Cross multiply
    1,638,404.32x = 2,457,237.76 × 587,780.32
  4. Step 4: Simplify right side
    1,638,404.32x = 1,444,315,996,888.88
  5. Step 5: Solve for x
    x = 1,444,315,996,888.88/1,638,404.32
  6. Step 6: Final answer
    x = 881,538.20

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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.