Home / 752,441.93-1,128,830.16-352,869.74

Finding the Fourth Proportional to 752,441.93, 1,128,830.16 and 352,869.74

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Solution

The fourth proportional to 752,441.93, 1,128,830.16 and 352,869.74 is: 529,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,441.93 : 1,128,830.16 = 352,869.74 : x
  2. Step 2: Convert to fraction form
    752,441.93/1,128,830.16 = 352,869.74/x
  3. Step 3: Cross multiply
    752,441.93x = 1,128,830.16 × 352,869.74
  4. Step 4: Simplify right side
    752,441.93x = 398,330,005,063.36
  5. Step 5: Solve for x
    x = 398,330,005,063.36/752,441.93
  6. Step 6: Final answer
    x = 529,383.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.