Home / 985,464.80-1,478,197.20-976,133.60

Finding the Fourth Proportional to 985,464.80, 1,478,197.20 and 976,133.60

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Solution

The fourth proportional to 985,464.80, 1,478,197.20 and 976,133.60 is: 1,464,200.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,464.80 : 1,478,197.20 = 976,133.60 : x
  2. Step 2: Convert to fraction form
    985,464.80/1,478,197.20 = 976,133.60/x
  3. Step 3: Cross multiply
    985,464.80x = 1,478,197.20 × 976,133.60
  4. Step 4: Simplify right side
    985,464.80x = 1,442,917,954,345.92
  5. Step 5: Solve for x
    x = 1,442,917,954,345.92/985,464.80
  6. Step 6: Final answer
    x = 1,464,200.40

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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.