Home / 775,975.55-1,163,949.75-349,209.38

Finding the Fourth Proportional to 775,975.55, 1,163,949.75 and 349,209.38

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Solution

The fourth proportional to 775,975.55, 1,163,949.75 and 349,209.38 is: 523,807.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,975.55 : 1,163,949.75 = 349,209.38 : x
  2. Step 2: Convert to fraction form
    775,975.55/1,163,949.75 = 349,209.38/x
  3. Step 3: Cross multiply
    775,975.55x = 1,163,949.75 × 349,209.38
  4. Step 4: Simplify right side
    775,975.55x = 406,462,164,728.91
  5. Step 5: Solve for x
    x = 406,462,164,728.91/775,975.55
  6. Step 6: Final answer
    x = 523,807.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.