Home / 450,815.80-622,127.10-246,868.60

Finding the Fourth Proportional to 450,815.80, 622,127.10 and 246,868.60

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Solution

The fourth proportional to 450,815.80, 622,127.10 and 246,868.60 is: 340,679.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,815.80 : 622,127.10 = 246,868.60 : x
  2. Step 2: Convert to fraction form
    450,815.80/622,127.10 = 246,868.60/x
  3. Step 3: Cross multiply
    450,815.80x = 622,127.10 × 246,868.60
  4. Step 4: Simplify right side
    450,815.80x = 153,583,646,199.06
  5. Step 5: Solve for x
    x = 153,583,646,199.06/450,815.80
  6. Step 6: Final answer
    x = 340,679.38

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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.