Home / 741,108.48-1,111,109.76-347,032.32

Finding the Fourth Proportional to 741,108.48, 1,111,109.76 and 347,032.32

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Solution

The fourth proportional to 741,108.48, 1,111,109.76 and 347,032.32 is: 520,289.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,108.48 : 1,111,109.76 = 347,032.32 : x
  2. Step 2: Convert to fraction form
    741,108.48/1,111,109.76 = 347,032.32/x
  3. Step 3: Cross multiply
    741,108.48x = 1,111,109.76 × 347,032.32
  4. Step 4: Simplify right side
    741,108.48x = 385,590,997,787.44
  5. Step 5: Solve for x
    x = 385,590,997,787.44/741,108.48
  6. Step 6: Final answer
    x = 520,289.55

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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.