Home / 427,743.11-590,223.71-236,756.05

Finding the Fourth Proportional to 427,743.11, 590,223.71 and 236,756.05

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Solution

The fourth proportional to 427,743.11, 590,223.71 and 236,756.05 is: 326,689.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,743.11 : 590,223.71 = 236,756.05 : x
  2. Step 2: Convert to fraction form
    427,743.11/590,223.71 = 236,756.05/x
  3. Step 3: Cross multiply
    427,743.11x = 590,223.71 × 236,756.05
  4. Step 4: Simplify right side
    427,743.11x = 139,739,033,312.28
  5. Step 5: Solve for x
    x = 139,739,033,312.28/427,743.11
  6. Step 6: Final answer
    x = 326,689.15

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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.