Home / 754,944.50-1,041,830.70-415,420.04

Finding the Fourth Proportional to 754,944.50, 1,041,830.70 and 415,420.04

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Solution

The fourth proportional to 754,944.50, 1,041,830.70 and 415,420.04 is: 573,283.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,944.50 : 1,041,830.70 = 415,420.04 : x
  2. Step 2: Convert to fraction form
    754,944.50/1,041,830.70 = 415,420.04/x
  3. Step 3: Cross multiply
    754,944.50x = 1,041,830.70 × 415,420.04
  4. Step 4: Simplify right side
    754,944.50x = 432,797,351,067.23
  5. Step 5: Solve for x
    x = 432,797,351,067.23/754,944.50
  6. Step 6: Final answer
    x = 573,283.67

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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.