Home / 531,290.07-733,180.57-301,847.76

Finding the Fourth Proportional to 531,290.07, 733,180.57 and 301,847.76

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Solution

The fourth proportional to 531,290.07, 733,180.57 and 301,847.76 is: 416,550.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,290.07 : 733,180.57 = 301,847.76 : x
  2. Step 2: Convert to fraction form
    531,290.07/733,180.57 = 301,847.76/x
  3. Step 3: Cross multiply
    531,290.07x = 733,180.57 × 301,847.76
  4. Step 4: Simplify right side
    531,290.07x = 221,308,912,730.02
  5. Step 5: Solve for x
    x = 221,308,912,730.02/531,290.07
  6. Step 6: Final answer
    x = 416,550.06

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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.