Home / 746,683.60-1,119,734.20-325,672.40

Finding the Fourth Proportional to 746,683.60, 1,119,734.20 and 325,672.40

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Solution

The fourth proportional to 746,683.60, 1,119,734.20 and 325,672.40 is: 488,381.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,683.60 : 1,119,734.20 = 325,672.40 : x
  2. Step 2: Convert to fraction form
    746,683.60/1,119,734.20 = 325,672.40/x
  3. Step 3: Cross multiply
    746,683.60x = 1,119,734.20 × 325,672.40
  4. Step 4: Simplify right side
    746,683.60x = 364,666,524,276.08
  5. Step 5: Solve for x
    x = 364,666,524,276.08/746,683.60
  6. Step 6: Final answer
    x = 488,381.59

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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.