Home / 493,966.37-681,621.42-279,064.93

Finding the Fourth Proportional to 493,966.37, 681,621.42 and 279,064.93

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Solution

The fourth proportional to 493,966.37, 681,621.42 and 279,064.93 is: 385,080.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,966.37 : 681,621.42 = 279,064.93 : x
  2. Step 2: Convert to fraction form
    493,966.37/681,621.42 = 279,064.93/x
  3. Step 3: Cross multiply
    493,966.37x = 681,621.42 × 279,064.93
  4. Step 4: Simplify right side
    493,966.37x = 190,216,632,154.75
  5. Step 5: Solve for x
    x = 190,216,632,154.75/493,966.37
  6. Step 6: Final answer
    x = 385,080.13

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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.