Home / 1,287,370.46-1,776,631.84-714,415.34

Finding the Fourth Proportional to 1,287,370.46, 1,776,631.84 and 714,415.34

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Solution

The fourth proportional to 1,287,370.46, 1,776,631.84 and 714,415.34 is: 985,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,370.46 : 1,776,631.84 = 714,415.34 : x
  2. Step 2: Convert to fraction form
    1,287,370.46/1,776,631.84 = 714,415.34/x
  3. Step 3: Cross multiply
    1,287,370.46x = 1,776,631.84 × 714,415.34
  4. Step 4: Simplify right side
    1,287,370.46x = 1,269,253,029,359.23
  5. Step 5: Solve for x
    x = 1,269,253,029,359.23/1,287,370.46
  6. Step 6: Final answer
    x = 985,926.80

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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.