Home / 677,904.06-935,546.55-409,718.46

Finding the Fourth Proportional to 677,904.06, 935,546.55 and 409,718.46

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Solution

The fourth proportional to 677,904.06, 935,546.55 and 409,718.46 is: 565,435.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,904.06 : 935,546.55 = 409,718.46 : x
  2. Step 2: Convert to fraction form
    677,904.06/935,546.55 = 409,718.46/x
  3. Step 3: Cross multiply
    677,904.06x = 935,546.55 × 409,718.46
  4. Step 4: Simplify right side
    677,904.06x = 383,310,691,724.31
  5. Step 5: Solve for x
    x = 383,310,691,724.31/677,904.06
  6. Step 6: Final answer
    x = 565,435.01

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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.