Home / 895,326.08-1,236,006.42-690,917.72

Finding the Fourth Proportional to 895,326.08, 1,236,006.42 and 690,917.72

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Solution

The fourth proportional to 895,326.08, 1,236,006.42 and 690,917.72 is: 953,818.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,326.08 : 1,236,006.42 = 690,917.72 : x
  2. Step 2: Convert to fraction form
    895,326.08/1,236,006.42 = 690,917.72/x
  3. Step 3: Cross multiply
    895,326.08x = 1,236,006.42 × 690,917.72
  4. Step 4: Simplify right side
    895,326.08x = 853,978,737,611.76
  5. Step 5: Solve for x
    x = 853,978,737,611.76/895,326.08
  6. Step 6: Final answer
    x = 953,818.68

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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.