Home / 427,395.32-589,768.80-236,361.16

Finding the Fourth Proportional to 427,395.32, 589,768.80 and 236,361.16

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Solution

The fourth proportional to 427,395.32, 589,768.80 and 236,361.16 is: 326,158.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,395.32 : 589,768.80 = 236,361.16 : x
  2. Step 2: Convert to fraction form
    427,395.32/589,768.80 = 236,361.16/x
  3. Step 3: Cross multiply
    427,395.32x = 589,768.80 × 236,361.16
  4. Step 4: Simplify right side
    427,395.32x = 139,398,437,699.81
  5. Step 5: Solve for x
    x = 139,398,437,699.81/427,395.32
  6. Step 6: Final answer
    x = 326,158.08

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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.