Home / 434,601.20-651,683.10-257,162.60

Finding the Fourth Proportional to 434,601.20, 651,683.10 and 257,162.60

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Solution

The fourth proportional to 434,601.20, 651,683.10 and 257,162.60 is: 385,614.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,601.20 : 651,683.10 = 257,162.60 : x
  2. Step 2: Convert to fraction form
    434,601.20/651,683.10 = 257,162.60/x
  3. Step 3: Cross multiply
    434,601.20x = 651,683.10 × 257,162.60
  4. Step 4: Simplify right side
    434,601.20x = 167,588,520,372.06
  5. Step 5: Solve for x
    x = 167,588,520,372.06/434,601.20
  6. Step 6: Final answer
    x = 385,614.49

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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.