Home / 1,169,905.82-1,614,503.14-660,684.74

Finding the Fourth Proportional to 1,169,905.82, 1,614,503.14 and 660,684.74

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Solution

The fourth proportional to 1,169,905.82, 1,614,503.14 and 660,684.74 is: 911,763.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,905.82 : 1,614,503.14 = 660,684.74 : x
  2. Step 2: Convert to fraction form
    1,169,905.82/1,614,503.14 = 660,684.74/x
  3. Step 3: Cross multiply
    1,169,905.82x = 1,614,503.14 × 660,684.74
  4. Step 4: Simplify right side
    1,169,905.82x = 1,066,677,577,555.86
  5. Step 5: Solve for x
    x = 1,066,677,577,555.86/1,169,905.82
  6. Step 6: Final answer
    x = 911,763.63

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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.