Home / 427,109.31-589,423.23-236,135.07

Finding the Fourth Proportional to 427,109.31, 589,423.23 and 236,135.07

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Solution

The fourth proportional to 427,109.31, 589,423.23 and 236,135.07 is: 325,873.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,109.31 : 589,423.23 = 236,135.07 : x
  2. Step 2: Convert to fraction form
    427,109.31/589,423.23 = 236,135.07/x
  3. Step 3: Cross multiply
    427,109.31x = 589,423.23 × 236,135.07
  4. Step 4: Simplify right side
    427,109.31x = 139,183,495,675.68
  5. Step 5: Solve for x
    x = 139,183,495,675.68/427,109.31
  6. Step 6: Final answer
    x = 325,873.24

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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.