Home / 893,811.48-1,338,922.14-413,365.86

Finding the Fourth Proportional to 893,811.48, 1,338,922.14 and 413,365.86

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Solution

The fourth proportional to 893,811.48, 1,338,922.14 and 413,365.86 is: 619,218.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,811.48 : 1,338,922.14 = 413,365.86 : x
  2. Step 2: Convert to fraction form
    893,811.48/1,338,922.14 = 413,365.86/x
  3. Step 3: Cross multiply
    893,811.48x = 1,338,922.14 × 413,365.86
  4. Step 4: Simplify right side
    893,811.48x = 553,464,701,874.14
  5. Step 5: Solve for x
    x = 553,464,701,874.14/893,811.48
  6. Step 6: Final answer
    x = 619,218.61

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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.