Home / 941,800.66-1,412,669.40-409,321.64

Finding the Fourth Proportional to 941,800.66, 1,412,669.40 and 409,321.64

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Solution

The fourth proportional to 941,800.66, 1,412,669.40 and 409,321.64 is: 613,968.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,800.66 : 1,412,669.40 = 409,321.64 : x
  2. Step 2: Convert to fraction form
    941,800.66/1,412,669.40 = 409,321.64/x
  3. Step 3: Cross multiply
    941,800.66x = 1,412,669.40 × 409,321.64
  4. Step 4: Simplify right side
    941,800.66x = 578,236,155,585.82
  5. Step 5: Solve for x
    x = 578,236,155,585.82/941,800.66
  6. Step 6: Final answer
    x = 613,968.73

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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.