Home / 792,150.64-1,186,504.80-487,616.56

Finding the Fourth Proportional to 792,150.64, 1,186,504.80 and 487,616.56

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Solution

The fourth proportional to 792,150.64, 1,186,504.80 and 487,616.56 is: 730,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,150.64 : 1,186,504.80 = 487,616.56 : x
  2. Step 2: Convert to fraction form
    792,150.64/1,186,504.80 = 487,616.56/x
  3. Step 3: Cross multiply
    792,150.64x = 1,186,504.80 × 487,616.56
  4. Step 4: Simplify right side
    792,150.64x = 578,559,388,999.49
  5. Step 5: Solve for x
    x = 578,559,388,999.49/792,150.64
  6. Step 6: Final answer
    x = 730,365.36

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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.