Home / 1,578,911.00-2,178,893.32-853,756.47

Finding the Fourth Proportional to 1,578,911.00, 2,178,893.32 and 853,756.47

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Solution

The fourth proportional to 1,578,911.00, 2,178,893.32 and 853,756.47 is: 1,178,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,911.00 : 2,178,893.32 = 853,756.47 : x
  2. Step 2: Convert to fraction form
    1,578,911.00/2,178,893.32 = 853,756.47/x
  3. Step 3: Cross multiply
    1,578,911.00x = 2,178,893.32 × 853,756.47
  4. Step 4: Simplify right side
    1,578,911.00x = 1,860,244,267,255.39
  5. Step 5: Solve for x
    x = 1,860,244,267,255.39/1,578,911.00
  6. Step 6: Final answer
    x = 1,178,181.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.