Home / 789,936.80-1,184,905.20-506,501.60

Finding the Fourth Proportional to 789,936.80, 1,184,905.20 and 506,501.60

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Solution

The fourth proportional to 789,936.80, 1,184,905.20 and 506,501.60 is: 759,752.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,936.80 : 1,184,905.20 = 506,501.60 : x
  2. Step 2: Convert to fraction form
    789,936.80/1,184,905.20 = 506,501.60/x
  3. Step 3: Cross multiply
    789,936.80x = 1,184,905.20 × 506,501.60
  4. Step 4: Simplify right side
    789,936.80x = 600,156,379,648.32
  5. Step 5: Solve for x
    x = 600,156,379,648.32/789,936.80
  6. Step 6: Final answer
    x = 759,752.40

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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.