Home / 893,181.40-1,338,216.90-768,765.40

Finding the Fourth Proportional to 893,181.40, 1,338,216.90 and 768,765.40

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Solution

The fourth proportional to 893,181.40, 1,338,216.90 and 768,765.40 is: 1,151,809.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,181.40 : 1,338,216.90 = 768,765.40 : x
  2. Step 2: Convert to fraction form
    893,181.40/1,338,216.90 = 768,765.40/x
  3. Step 3: Cross multiply
    893,181.40x = 1,338,216.90 × 768,765.40
  4. Step 4: Simplify right side
    893,181.40x = 1,028,774,850,415.26
  5. Step 5: Solve for x
    x = 1,028,774,850,415.26/893,181.40
  6. Step 6: Final answer
    x = 1,151,809.53

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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.