Home / 538,985.64-743,930.10-324,084.09

Finding the Fourth Proportional to 538,985.64, 743,930.10 and 324,084.09

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Solution

The fourth proportional to 538,985.64, 743,930.10 and 324,084.09 is: 447,314.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,985.64 : 743,930.10 = 324,084.09 : x
  2. Step 2: Convert to fraction form
    538,985.64/743,930.10 = 324,084.09/x
  3. Step 3: Cross multiply
    538,985.64x = 743,930.10 × 324,084.09
  4. Step 4: Simplify right side
    538,985.64x = 241,095,909,482.11
  5. Step 5: Solve for x
    x = 241,095,909,482.11/538,985.64
  6. Step 6: Final answer
    x = 447,314.16

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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.