Home / 427,128.04-589,449-236,153.76

Finding the Fourth Proportional to 427,128.04, 589,449 and 236,153.76

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Solution

The fourth proportional to 427,128.04, 589,449 and 236,153.76 is: 325,898.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,128.04 : 589,449 = 236,153.76 : x
  2. Step 2: Convert to fraction form
    427,128.04/589,449 = 236,153.76/x
  3. Step 3: Cross multiply
    427,128.04x = 589,449 × 236,153.76
  4. Step 4: Simplify right side
    427,128.04x = 139,200,597,678.24
  5. Step 5: Solve for x
    x = 139,200,597,678.24/427,128.04
  6. Step 6: Final answer
    x = 325,898.99

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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.