Home / 767,694.60-1,152,924.30-742,811.40

Finding the Fourth Proportional to 767,694.60, 1,152,924.30 and 742,811.40

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Solution

The fourth proportional to 767,694.60, 1,152,924.30 and 742,811.40 is: 1,115,554.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,694.60 : 1,152,924.30 = 742,811.40 : x
  2. Step 2: Convert to fraction form
    767,694.60/1,152,924.30 = 742,811.40/x
  3. Step 3: Cross multiply
    767,694.60x = 1,152,924.30 × 742,811.40
  4. Step 4: Simplify right side
    767,694.60x = 856,405,313,377.02
  5. Step 5: Solve for x
    x = 856,405,313,377.02/767,694.60
  6. Step 6: Final answer
    x = 1,115,554.69

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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.