Home / 353,901.20-531,888.60-347,680.40

Finding the Fourth Proportional to 353,901.20, 531,888.60 and 347,680.40

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Solution

The fourth proportional to 353,901.20, 531,888.60 and 347,680.40 is: 522,539.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,901.20 : 531,888.60 = 347,680.40 : x
  2. Step 2: Convert to fraction form
    353,901.20/531,888.60 = 347,680.40/x
  3. Step 3: Cross multiply
    353,901.20x = 531,888.60 × 347,680.40
  4. Step 4: Simplify right side
    353,901.20x = 184,927,241,203.44
  5. Step 5: Solve for x
    x = 184,927,241,203.44/353,901.20
  6. Step 6: Final answer
    x = 522,539.18

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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.