Home / 1,056,456-1,584,917.28-391,608

Finding the Fourth Proportional to 1,056,456, 1,584,917.28 and 391,608

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Solution

The fourth proportional to 1,056,456, 1,584,917.28 and 391,608 is: 587,498.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,456 : 1,584,917.28 = 391,608 : x
  2. Step 2: Convert to fraction form
    1,056,456/1,584,917.28 = 391,608/x
  3. Step 3: Cross multiply
    1,056,456x = 1,584,917.28 × 391,608
  4. Step 4: Simplify right side
    1,056,456x = 620,666,286,186.24
  5. Step 5: Solve for x
    x = 620,666,286,186.24/1,056,456
  6. Step 6: Final answer
    x = 587,498.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.