Home / 427,015.02-589,292.64-236,040.69

Finding the Fourth Proportional to 427,015.02, 589,292.64 and 236,040.69

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Solution

The fourth proportional to 427,015.02, 589,292.64 and 236,040.69 is: 325,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,015.02 : 589,292.64 = 236,040.69 : x
  2. Step 2: Convert to fraction form
    427,015.02/589,292.64 = 236,040.69/x
  3. Step 3: Cross multiply
    427,015.02x = 589,292.64 × 236,040.69
  4. Step 4: Simplify right side
    427,015.02x = 139,097,041,357.52
  5. Step 5: Solve for x
    x = 139,097,041,357.52/427,015.02
  6. Step 6: Final answer
    x = 325,742.74

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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.