Home / 769,386.34-1,154,077.96-722,566.73

Finding the Fourth Proportional to 769,386.34, 1,154,077.96 and 722,566.73

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Solution

The fourth proportional to 769,386.34, 1,154,077.96 and 722,566.73 is: 1,083,848.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,386.34 : 1,154,077.96 = 722,566.73 : x
  2. Step 2: Convert to fraction form
    769,386.34/1,154,077.96 = 722,566.73/x
  3. Step 3: Cross multiply
    769,386.34x = 1,154,077.96 × 722,566.73
  4. Step 4: Simplify right side
    769,386.34x = 833,898,333,889.98
  5. Step 5: Solve for x
    x = 833,898,333,889.98/769,386.34
  6. Step 6: Final answer
    x = 1,083,848.64

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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.