Home / 1,215,310.60-1,677,146.16-671,458.96

Finding the Fourth Proportional to 1,215,310.60, 1,677,146.16 and 671,458.96

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Solution

The fourth proportional to 1,215,310.60, 1,677,146.16 and 671,458.96 is: 926,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,310.60 : 1,677,146.16 = 671,458.96 : x
  2. Step 2: Convert to fraction form
    1,215,310.60/1,677,146.16 = 671,458.96/x
  3. Step 3: Cross multiply
    1,215,310.60x = 1,677,146.16 × 671,458.96
  4. Step 4: Simplify right side
    1,215,310.60x = 1,126,134,816,361.59
  5. Step 5: Solve for x
    x = 1,126,134,816,361.59/1,215,310.60
  6. Step 6: Final answer
    x = 926,623.05

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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.