Home / 942,408.60-1,413,612.90-755,784.60

Finding the Fourth Proportional to 942,408.60, 1,413,612.90 and 755,784.60

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Solution

The fourth proportional to 942,408.60, 1,413,612.90 and 755,784.60 is: 1,133,676.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,408.60 : 1,413,612.90 = 755,784.60 : x
  2. Step 2: Convert to fraction form
    942,408.60/1,413,612.90 = 755,784.60/x
  3. Step 3: Cross multiply
    942,408.60x = 1,413,612.90 × 755,784.60
  4. Step 4: Simplify right side
    942,408.60x = 1,068,386,860,181.34
  5. Step 5: Solve for x
    x = 1,068,386,860,181.34/942,408.60
  6. Step 6: Final answer
    x = 1,133,676.90

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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.