Home / 752,382.30-1,038,287.48-430,099.58

Finding the Fourth Proportional to 752,382.30, 1,038,287.48 and 430,099.58

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Solution

The fourth proportional to 752,382.30, 1,038,287.48 and 430,099.58 is: 593,537.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,382.30 : 1,038,287.48 = 430,099.58 : x
  2. Step 2: Convert to fraction form
    752,382.30/1,038,287.48 = 430,099.58/x
  3. Step 3: Cross multiply
    752,382.30x = 1,038,287.48 × 430,099.58
  4. Step 4: Simplify right side
    752,382.30x = 446,567,009,067.26
  5. Step 5: Solve for x
    x = 446,567,009,067.26/752,382.30
  6. Step 6: Final answer
    x = 593,537.37

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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.