Home / 426,938.85-589,168.89-235,955.43

Finding the Fourth Proportional to 426,938.85, 589,168.89 and 235,955.43

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Solution

The fourth proportional to 426,938.85, 589,168.89 and 235,955.43 is: 325,614.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,938.85 : 589,168.89 = 235,955.43 : x
  2. Step 2: Convert to fraction form
    426,938.85/589,168.89 = 235,955.43/x
  3. Step 3: Cross multiply
    426,938.85x = 589,168.89 × 235,955.43
  4. Step 4: Simplify right side
    426,938.85x = 139,017,598,782.57
  5. Step 5: Solve for x
    x = 139,017,598,782.57/426,938.85
  6. Step 6: Final answer
    x = 325,614.78

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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.