Home / 1,385,059.86-2,078,522.91-543,512.34

Finding the Fourth Proportional to 1,385,059.86, 2,078,522.91 and 543,512.34

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Solution

The fourth proportional to 1,385,059.86, 2,078,522.91 and 543,512.34 is: 815,634.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,059.86 : 2,078,522.91 = 543,512.34 : x
  2. Step 2: Convert to fraction form
    1,385,059.86/2,078,522.91 = 543,512.34/x
  3. Step 3: Cross multiply
    1,385,059.86x = 2,078,522.91 × 543,512.34
  4. Step 4: Simplify right side
    1,385,059.86x = 1,129,702,850,557.71
  5. Step 5: Solve for x
    x = 1,129,702,850,557.71/1,385,059.86
  6. Step 6: Final answer
    x = 815,634.68

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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.