Home / 1,116,770.34-1,670,928.26-661,605.92

Finding the Fourth Proportional to 1,116,770.34, 1,670,928.26 and 661,605.92

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Solution

The fourth proportional to 1,116,770.34, 1,670,928.26 and 661,605.92 is: 989,904.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,770.34 : 1,670,928.26 = 661,605.92 : x
  2. Step 2: Convert to fraction form
    1,116,770.34/1,670,928.26 = 661,605.92/x
  3. Step 3: Cross multiply
    1,116,770.34x = 1,670,928.26 × 661,605.92
  4. Step 4: Simplify right side
    1,116,770.34x = 1,105,496,017,048.63
  5. Step 5: Solve for x
    x = 1,105,496,017,048.63/1,116,770.34
  6. Step 6: Final answer
    x = 989,904.53

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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.