Home / 1,293,370.63-1,784,766.03-776,817.58

Finding the Fourth Proportional to 1,293,370.63, 1,784,766.03 and 776,817.58

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Solution

The fourth proportional to 1,293,370.63, 1,784,766.03 and 776,817.58 is: 1,071,956.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,370.63 : 1,784,766.03 = 776,817.58 : x
  2. Step 2: Convert to fraction form
    1,293,370.63/1,784,766.03 = 776,817.58/x
  3. Step 3: Cross multiply
    1,293,370.63x = 1,784,766.03 × 776,817.58
  4. Step 4: Simplify right side
    1,293,370.63x = 1,386,437,621,886.85
  5. Step 5: Solve for x
    x = 1,386,437,621,886.85/1,293,370.63
  6. Step 6: Final answer
    x = 1,071,956.94

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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.