Home / 1,578,893.34-2,178,871.28-853,739.33

Finding the Fourth Proportional to 1,578,893.34, 2,178,871.28 and 853,739.33

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Solution

The fourth proportional to 1,578,893.34, 2,178,871.28 and 853,739.33 is: 1,178,159.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,578,893.34 : 2,178,871.28 = 853,739.33 : x
  2. Step 2: Convert to fraction form
    1,578,893.34/2,178,871.28 = 853,739.33/x
  3. Step 3: Cross multiply
    1,578,893.34x = 2,178,871.28 × 853,739.33
  4. Step 4: Simplify right side
    1,578,893.34x = 1,860,188,094,781.91
  5. Step 5: Solve for x
    x = 1,860,188,094,781.91/1,578,893.34
  6. Step 6: Final answer
    x = 1,178,159.44

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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.