Home / 328,220.76-452,771.04-226,070.53

Finding the Fourth Proportional to 328,220.76, 452,771.04 and 226,070.53

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Solution

The fourth proportional to 328,220.76, 452,771.04 and 226,070.53 is: 311,857.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,220.76 : 452,771.04 = 226,070.53 : x
  2. Step 2: Convert to fraction form
    328,220.76/452,771.04 = 226,070.53/x
  3. Step 3: Cross multiply
    328,220.76x = 452,771.04 × 226,070.53
  4. Step 4: Simplify right side
    328,220.76x = 102,358,188,981.45
  5. Step 5: Solve for x
    x = 102,358,188,981.45/328,220.76
  6. Step 6: Final answer
    x = 311,857.75

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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.