Home / 483,485.36-666,516.88-339,799.46

Finding the Fourth Proportional to 483,485.36, 666,516.88 and 339,799.46

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Solution

The fourth proportional to 483,485.36, 666,516.88 and 339,799.46 is: 468,436.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,485.36 : 666,516.88 = 339,799.46 : x
  2. Step 2: Convert to fraction form
    483,485.36/666,516.88 = 339,799.46/x
  3. Step 3: Cross multiply
    483,485.36x = 666,516.88 × 339,799.46
  4. Step 4: Simplify right side
    483,485.36x = 226,482,075,904.89
  5. Step 5: Solve for x
    x = 226,482,075,904.89/483,485.36
  6. Step 6: Final answer
    x = 468,436.26

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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.