Home / 1,240,432.64-1,860,655.84-441,745.28

Finding the Fourth Proportional to 1,240,432.64, 1,860,655.84 and 441,745.28

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Solution

The fourth proportional to 1,240,432.64, 1,860,655.84 and 441,745.28 is: 662,620.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,432.64 : 1,860,655.84 = 441,745.28 : x
  2. Step 2: Convert to fraction form
    1,240,432.64/1,860,655.84 = 441,745.28/x
  3. Step 3: Cross multiply
    1,240,432.64x = 1,860,655.84 × 441,745.28
  4. Step 4: Simplify right side
    1,240,432.64x = 821,935,935,024.44
  5. Step 5: Solve for x
    x = 821,935,935,024.44/1,240,432.64
  6. Step 6: Final answer
    x = 662,620.37

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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.