Home / 1,638,209.86-2,458,421.97-573,261.15

Finding the Fourth Proportional to 1,638,209.86, 2,458,421.97 and 573,261.15

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Solution

The fourth proportional to 1,638,209.86, 2,458,421.97 and 573,261.15 is: 860,279.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,209.86 : 2,458,421.97 = 573,261.15 : x
  2. Step 2: Convert to fraction form
    1,638,209.86/2,458,421.97 = 573,261.15/x
  3. Step 3: Cross multiply
    1,638,209.86x = 2,458,421.97 × 573,261.15
  4. Step 4: Simplify right side
    1,638,209.86x = 1,409,317,802,172.79
  5. Step 5: Solve for x
    x = 1,409,317,802,172.79/1,638,209.86
  6. Step 6: Final answer
    x = 860,279.16

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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.