Home / 430,551.31-594,243.05-285,100.55

Finding the Fourth Proportional to 430,551.31, 594,243.05 and 285,100.55

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Solution

The fourth proportional to 430,551.31, 594,243.05 and 285,100.55 is: 393,493.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,551.31 : 594,243.05 = 285,100.55 : x
  2. Step 2: Convert to fraction form
    430,551.31/594,243.05 = 285,100.55/x
  3. Step 3: Cross multiply
    430,551.31x = 594,243.05 × 285,100.55
  4. Step 4: Simplify right side
    430,551.31x = 169,419,020,448.78
  5. Step 5: Solve for x
    x = 169,419,020,448.78/430,551.31
  6. Step 6: Final answer
    x = 393,493.22

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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.