Home / 997,135.40-1,374,392.39-706,374.43

Finding the Fourth Proportional to 997,135.40, 1,374,392.39 and 706,374.43

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Solution

The fourth proportional to 997,135.40, 1,374,392.39 and 706,374.43 is: 973,624.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,135.40 : 1,374,392.39 = 706,374.43 : x
  2. Step 2: Convert to fraction form
    997,135.40/1,374,392.39 = 706,374.43/x
  3. Step 3: Cross multiply
    997,135.40x = 1,374,392.39 × 706,374.43
  4. Step 4: Simplify right side
    997,135.40x = 970,835,639,678.15
  5. Step 5: Solve for x
    x = 970,835,639,678.15/997,135.40
  6. Step 6: Final answer
    x = 973,624.69

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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.