Home / 778,408.10-1,168,000.95-441,707.30

Finding the Fourth Proportional to 778,408.10, 1,168,000.95 and 441,707.30

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Solution

The fourth proportional to 778,408.10, 1,168,000.95 and 441,707.30 is: 662,781.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,408.10 : 1,168,000.95 = 441,707.30 : x
  2. Step 2: Convert to fraction form
    778,408.10/1,168,000.95 = 441,707.30/x
  3. Step 3: Cross multiply
    778,408.10x = 1,168,000.95 × 441,707.30
  4. Step 4: Simplify right side
    778,408.10x = 515,914,546,021.94
  5. Step 5: Solve for x
    x = 515,914,546,021.94/778,408.10
  6. Step 6: Final answer
    x = 662,781.57

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1.5x scale

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.