Home / 767,394.72-1,059,673.32-481,406.40

Finding the Fourth Proportional to 767,394.72, 1,059,673.32 and 481,406.40

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Solution

The fourth proportional to 767,394.72, 1,059,673.32 and 481,406.40 is: 664,760.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,394.72 : 1,059,673.32 = 481,406.40 : x
  2. Step 2: Convert to fraction form
    767,394.72/1,059,673.32 = 481,406.40/x
  3. Step 3: Cross multiply
    767,394.72x = 1,059,673.32 × 481,406.40
  4. Step 4: Simplify right side
    767,394.72x = 510,133,518,157.25
  5. Step 5: Solve for x
    x = 510,133,518,157.25/767,394.72
  6. Step 6: Final answer
    x = 664,760.27

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1.5x scale

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.