Home / 531,986.13-734,250.12-325,289.86

Finding the Fourth Proportional to 531,986.13, 734,250.12 and 325,289.86

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Solution

The fourth proportional to 531,986.13, 734,250.12 and 325,289.86 is: 448,966.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,986.13 : 734,250.12 = 325,289.86 : x
  2. Step 2: Convert to fraction form
    531,986.13/734,250.12 = 325,289.86/x
  3. Step 3: Cross multiply
    531,986.13x = 734,250.12 × 325,289.86
  4. Step 4: Simplify right side
    531,986.13x = 238,844,115,684.32
  5. Step 5: Solve for x
    x = 238,844,115,684.32/531,986.13
  6. Step 6: Final answer
    x = 448,966.81

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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.