Home / 726,612.33-1,089,924.57-253,296.93

Finding the Fourth Proportional to 726,612.33, 1,089,924.57 and 253,296.93

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Solution

The fourth proportional to 726,612.33, 1,089,924.57 and 253,296.93 is: 379,947.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,612.33 : 1,089,924.57 = 253,296.93 : x
  2. Step 2: Convert to fraction form
    726,612.33/1,089,924.57 = 253,296.93/x
  3. Step 3: Cross multiply
    726,612.33x = 1,089,924.57 × 253,296.93
  4. Step 4: Simplify right side
    726,612.33x = 276,074,547,512.57
  5. Step 5: Solve for x
    x = 276,074,547,512.57/726,612.33
  6. Step 6: Final answer
    x = 379,947.51

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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.