Home / 433,942.31-651,334.37-209,460.94

Finding the Fourth Proportional to 433,942.31, 651,334.37 and 209,460.94

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Solution

The fourth proportional to 433,942.31, 651,334.37 and 209,460.94 is: 314,394.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,942.31 : 651,334.37 = 209,460.94 : x
  2. Step 2: Convert to fraction form
    433,942.31/651,334.37 = 209,460.94/x
  3. Step 3: Cross multiply
    433,942.31x = 651,334.37 × 209,460.94
  4. Step 4: Simplify right side
    433,942.31x = 136,429,106,718.87
  5. Step 5: Solve for x
    x = 136,429,106,718.87/433,942.31
  6. Step 6: Final answer
    x = 314,394.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.