Home / 752,020.10-1,037,789.45-429,729.42

Finding the Fourth Proportional to 752,020.10, 1,037,789.45 and 429,729.42

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Solution

The fourth proportional to 752,020.10, 1,037,789.45 and 429,729.42 is: 593,027.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,020.10 : 1,037,789.45 = 429,729.42 : x
  2. Step 2: Convert to fraction form
    752,020.10/1,037,789.45 = 429,729.42/x
  3. Step 3: Cross multiply
    752,020.10x = 1,037,789.45 × 429,729.42
  4. Step 4: Simplify right side
    752,020.10x = 445,968,658,430.62
  5. Step 5: Solve for x
    x = 445,968,658,430.62/752,020.10
  6. Step 6: Final answer
    x = 593,027.58

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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.