Home / 468,811.54-646,946.58-275,216.14

Finding the Fourth Proportional to 468,811.54, 646,946.58 and 275,216.14

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Solution

The fourth proportional to 468,811.54, 646,946.58 and 275,216.14 is: 379,790.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,811.54 : 646,946.58 = 275,216.14 : x
  2. Step 2: Convert to fraction form
    468,811.54/646,946.58 = 275,216.14/x
  3. Step 3: Cross multiply
    468,811.54x = 646,946.58 × 275,216.14
  4. Step 4: Simplify right side
    468,811.54x = 178,050,140,533.80
  5. Step 5: Solve for x
    x = 178,050,140,533.80/468,811.54
  6. Step 6: Final answer
    x = 379,790.44

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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.