Home / 862,975.19-1,190,913.67-475,804.51

Finding the Fourth Proportional to 862,975.19, 1,190,913.67 and 475,804.51

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Solution

The fourth proportional to 862,975.19, 1,190,913.67 and 475,804.51 is: 656,614.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,975.19 : 1,190,913.67 = 475,804.51 : x
  2. Step 2: Convert to fraction form
    862,975.19/1,190,913.67 = 475,804.51/x
  3. Step 3: Cross multiply
    862,975.19x = 1,190,913.67 × 475,804.51
  4. Step 4: Simplify right side
    862,975.19x = 566,642,091,039.86
  5. Step 5: Solve for x
    x = 566,642,091,039.86/862,975.19
  6. Step 6: Final answer
    x = 656,614.58

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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.