Home / 1,207,694.75-1,666,596.34-663,818.91

Finding the Fourth Proportional to 1,207,694.75, 1,666,596.34 and 663,818.91

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Solution

The fourth proportional to 1,207,694.75, 1,666,596.34 and 663,818.91 is: 916,057.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,694.75 : 1,666,596.34 = 663,818.91 : x
  2. Step 2: Convert to fraction form
    1,207,694.75/1,666,596.34 = 663,818.91/x
  3. Step 3: Cross multiply
    1,207,694.75x = 1,666,596.34 × 663,818.91
  4. Step 4: Simplify right side
    1,207,694.75x = 1,106,318,167,916.44
  5. Step 5: Solve for x
    x = 1,106,318,167,916.44/1,207,694.75
  6. Step 6: Final answer
    x = 916,057.77

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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.