Home / 426,845.88-589,047.12-235,857.60

Finding the Fourth Proportional to 426,845.88, 589,047.12 and 235,857.60

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Solution

The fourth proportional to 426,845.88, 589,047.12 and 235,857.60 is: 325,483.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,845.88 : 589,047.12 = 235,857.60 : x
  2. Step 2: Convert to fraction form
    426,845.88/589,047.12 = 235,857.60/x
  3. Step 3: Cross multiply
    426,845.88x = 589,047.12 × 235,857.60
  4. Step 4: Simplify right side
    426,845.88x = 138,931,240,010.11
  5. Step 5: Solve for x
    x = 138,931,240,010.11/426,845.88
  6. Step 6: Final answer
    x = 325,483.38

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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.