Home / 985,086.54-1,358,902.52-801,530.07

Finding the Fourth Proportional to 985,086.54, 1,358,902.52 and 801,530.07

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Solution

The fourth proportional to 985,086.54, 1,358,902.52 and 801,530.07 is: 1,105,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,086.54 : 1,358,902.52 = 801,530.07 : x
  2. Step 2: Convert to fraction form
    985,086.54/1,358,902.52 = 801,530.07/x
  3. Step 3: Cross multiply
    985,086.54x = 1,358,902.52 × 801,530.07
  4. Step 4: Simplify right side
    985,086.54x = 1,089,201,232,718.65
  5. Step 5: Solve for x
    x = 1,089,201,232,718.65/985,086.54
  6. Step 6: Final answer
    x = 1,105,690.91

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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.