Home / 752,892.15-1,039,162.63-430,779.86

Finding the Fourth Proportional to 752,892.15, 1,039,162.63 and 430,779.86

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Solution

The fourth proportional to 752,892.15, 1,039,162.63 and 430,779.86 is: 594,574.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,892.15 : 1,039,162.63 = 430,779.86 : x
  2. Step 2: Convert to fraction form
    752,892.15/1,039,162.63 = 430,779.86/x
  3. Step 3: Cross multiply
    752,892.15x = 1,039,162.63 × 430,779.86
  4. Step 4: Simplify right side
    752,892.15x = 447,650,332,268.63
  5. Step 5: Solve for x
    x = 447,650,332,268.63/752,892.15
  6. Step 6: Final answer
    x = 594,574.31

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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.