Home / 955,808.90-1,318,344.74-629,017.79

Finding the Fourth Proportional to 955,808.90, 1,318,344.74 and 629,017.79

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Solution

The fourth proportional to 955,808.90, 1,318,344.74 and 629,017.79 is: 867,602.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,808.90 : 1,318,344.74 = 629,017.79 : x
  2. Step 2: Convert to fraction form
    955,808.90/1,318,344.74 = 629,017.79/x
  3. Step 3: Cross multiply
    955,808.90x = 1,318,344.74 × 629,017.79
  4. Step 4: Simplify right side
    955,808.90x = 829,262,294,812.93
  5. Step 5: Solve for x
    x = 829,262,294,812.93/955,808.90
  6. Step 6: Final answer
    x = 867,602.61

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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.