Home / 862,975.32-1,190,913.84-475,804.64

Finding the Fourth Proportional to 862,975.32, 1,190,913.84 and 475,804.64

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Solution

The fourth proportional to 862,975.32, 1,190,913.84 and 475,804.64 is: 656,614.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,975.32 : 1,190,913.84 = 475,804.64 : x
  2. Step 2: Convert to fraction form
    862,975.32/1,190,913.84 = 475,804.64/x
  3. Step 3: Cross multiply
    862,975.32x = 1,190,913.84 × 475,804.64
  4. Step 4: Simplify right side
    862,975.32x = 566,642,324,957.65
  5. Step 5: Solve for x
    x = 566,642,324,957.65/862,975.32
  6. Step 6: Final answer
    x = 656,614.75

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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.