Home / 816,152.46-1,125,940.82-509,696.86

Finding the Fourth Proportional to 816,152.46, 1,125,940.82 and 509,696.86

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Solution

The fourth proportional to 816,152.46, 1,125,940.82 and 509,696.86 is: 703,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,152.46 : 1,125,940.82 = 509,696.86 : x
  2. Step 2: Convert to fraction form
    816,152.46/1,125,940.82 = 509,696.86/x
  3. Step 3: Cross multiply
    816,152.46x = 1,125,940.82 × 509,696.86
  4. Step 4: Simplify right side
    816,152.46x = 573,888,495,136.49
  5. Step 5: Solve for x
    x = 573,888,495,136.49/816,152.46
  6. Step 6: Final answer
    x = 703,163.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.