Home / 726,303.60-1,089,455.40-193,826.52

Finding the Fourth Proportional to 726,303.60, 1,089,455.40 and 193,826.52

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Solution

The fourth proportional to 726,303.60, 1,089,455.40 and 193,826.52 is: 290,739.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,303.60 : 1,089,455.40 = 193,826.52 : x
  2. Step 2: Convert to fraction form
    726,303.60/1,089,455.40 = 193,826.52/x
  3. Step 3: Cross multiply
    726,303.60x = 1,089,455.40 × 193,826.52
  4. Step 4: Simplify right side
    726,303.60x = 211,165,348,877.21
  5. Step 5: Solve for x
    x = 211,165,348,877.21/726,303.60
  6. Step 6: Final answer
    x = 290,739.78

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1.5x scale

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.