Home / 1,261,269.65-1,890,779.51-462,364.74

Finding the Fourth Proportional to 1,261,269.65, 1,890,779.51 and 462,364.74

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Solution

The fourth proportional to 1,261,269.65, 1,890,779.51 and 462,364.74 is: 693,134.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,269.65 : 1,890,779.51 = 462,364.74 : x
  2. Step 2: Convert to fraction form
    1,261,269.65/1,890,779.51 = 462,364.74/x
  3. Step 3: Cross multiply
    1,261,269.65x = 1,890,779.51 × 462,364.74
  4. Step 4: Simplify right side
    1,261,269.65x = 874,229,777,694.39
  5. Step 5: Solve for x
    x = 874,229,777,694.39/1,261,269.65
  6. Step 6: Final answer
    x = 693,134.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.