Home / 677,790.09-934,583.40-432,446.58

Finding the Fourth Proportional to 677,790.09, 934,583.40 and 432,446.58

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Solution

The fourth proportional to 677,790.09, 934,583.40 and 432,446.58 is: 596,286.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,790.09 : 934,583.40 = 432,446.58 : x
  2. Step 2: Convert to fraction form
    677,790.09/934,583.40 = 432,446.58/x
  3. Step 3: Cross multiply
    677,790.09x = 934,583.40 × 432,446.58
  4. Step 4: Simplify right side
    677,790.09x = 404,157,395,054.77
  5. Step 5: Solve for x
    x = 404,157,395,054.77/677,790.09
  6. Step 6: Final answer
    x = 596,286.96

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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.