Home / 427,129.04-589,450.38-236,154.76

Finding the Fourth Proportional to 427,129.04, 589,450.38 and 236,154.76

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Solution

The fourth proportional to 427,129.04, 589,450.38 and 236,154.76 is: 325,900.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,129.04 : 589,450.38 = 236,154.76 : x
  2. Step 2: Convert to fraction form
    427,129.04/589,450.38 = 236,154.76/x
  3. Step 3: Cross multiply
    427,129.04x = 589,450.38 × 236,154.76
  4. Step 4: Simplify right side
    427,129.04x = 139,201,513,020.81
  5. Step 5: Solve for x
    x = 139,201,513,020.81/427,129.04
  6. Step 6: Final answer
    x = 325,900.37

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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.