Home / 328,566.69-453,602.57-213,945.21

Finding the Fourth Proportional to 328,566.69, 453,602.57 and 213,945.21

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Solution

The fourth proportional to 328,566.69, 453,602.57 and 213,945.21 is: 295,361.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,566.69 : 453,602.57 = 213,945.21 : x
  2. Step 2: Convert to fraction form
    328,566.69/453,602.57 = 213,945.21/x
  3. Step 3: Cross multiply
    328,566.69x = 453,602.57 × 213,945.21
  4. Step 4: Simplify right side
    328,566.69x = 97,046,096,025.46
  5. Step 5: Solve for x
    x = 97,046,096,025.46/328,566.69
  6. Step 6: Final answer
    x = 295,361.94

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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.