Home / 450,635.49-621,949.41-257,106.33

Finding the Fourth Proportional to 450,635.49, 621,949.41 and 257,106.33

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Solution

The fourth proportional to 450,635.49, 621,949.41 and 257,106.33 is: 354,848.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,635.49 : 621,949.41 = 257,106.33 : x
  2. Step 2: Convert to fraction form
    450,635.49/621,949.41 = 257,106.33/x
  3. Step 3: Cross multiply
    450,635.49x = 621,949.41 × 257,106.33
  4. Step 4: Simplify right side
    450,635.49x = 159,907,130,250.77
  5. Step 5: Solve for x
    x = 159,907,130,250.77/450,635.49
  6. Step 6: Final answer
    x = 354,848.06

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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.