Home / 678,955.00-936,568.11-423,863.32

Finding the Fourth Proportional to 678,955.00, 936,568.11 and 423,863.32

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Solution

The fourth proportional to 678,955.00, 936,568.11 and 423,863.32 is: 584,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    678,955.00 : 936,568.11 = 423,863.32 : x
  2. Step 2: Convert to fraction form
    678,955.00/936,568.11 = 423,863.32/x
  3. Step 3: Cross multiply
    678,955.00x = 936,568.11 × 423,863.32
  4. Step 4: Simplify right side
    678,955.00x = 396,976,873,826.49
  5. Step 5: Solve for x
    x = 396,976,873,826.49/678,955.00
  6. Step 6: Final answer
    x = 584,688.04

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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.