Home / 460,599.42-690,981.15-156,976.74

Finding the Fourth Proportional to 460,599.42, 690,981.15 and 156,976.74

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Solution

The fourth proportional to 460,599.42, 690,981.15 and 156,976.74 is: 235,493.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,599.42 : 690,981.15 = 156,976.74 : x
  2. Step 2: Convert to fraction form
    460,599.42/690,981.15 = 156,976.74/x
  3. Step 3: Cross multiply
    460,599.42x = 690,981.15 × 156,976.74
  4. Step 4: Simplify right side
    460,599.42x = 108,467,968,328.45
  5. Step 5: Solve for x
    x = 108,467,968,328.45/460,599.42
  6. Step 6: Final answer
    x = 235,493.06

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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.