Home / 752,139.88-1,038,027.59-429,896.23

Finding the Fourth Proportional to 752,139.88, 1,038,027.59 and 429,896.23

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Solution

The fourth proportional to 752,139.88, 1,038,027.59 and 429,896.23 is: 593,299.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,139.88 : 1,038,027.59 = 429,896.23 : x
  2. Step 2: Convert to fraction form
    752,139.88/1,038,027.59 = 429,896.23/x
  3. Step 3: Cross multiply
    752,139.88x = 1,038,027.59 × 429,896.23
  4. Step 4: Simplify right side
    752,139.88x = 446,244,144,444.55
  5. Step 5: Solve for x
    x = 446,244,144,444.55/752,139.88
  6. Step 6: Final answer
    x = 593,299.41

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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.