Home / 1,638,398.53-2,458,690.89-573,440.64

Finding the Fourth Proportional to 1,638,398.53, 2,458,690.89 and 573,440.64

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Solution

The fourth proportional to 1,638,398.53, 2,458,690.89 and 573,440.64 is: 860,543.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,398.53 : 2,458,690.89 = 573,440.64 : x
  2. Step 2: Convert to fraction form
    1,638,398.53/2,458,690.89 = 573,440.64/x
  3. Step 3: Cross multiply
    1,638,398.53x = 2,458,690.89 × 573,440.64
  4. Step 4: Simplify right side
    1,638,398.53x = 1,409,913,265,230.32
  5. Step 5: Solve for x
    x = 1,409,913,265,230.32/1,638,398.53
  6. Step 6: Final answer
    x = 860,543.54

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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.