Home / 1,231,011.04-1,698,788.76-714,891.84

Finding the Fourth Proportional to 1,231,011.04, 1,698,788.76 and 714,891.84

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Solution

The fourth proportional to 1,231,011.04, 1,698,788.76 and 714,891.84 is: 986,546.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,011.04 : 1,698,788.76 = 714,891.84 : x
  2. Step 2: Convert to fraction form
    1,231,011.04/1,698,788.76 = 714,891.84/x
  3. Step 3: Cross multiply
    1,231,011.04x = 1,698,788.76 × 714,891.84
  4. Step 4: Simplify right side
    1,231,011.04x = 1,214,450,222,407.72
  5. Step 5: Solve for x
    x = 1,214,450,222,407.72/1,231,011.04
  6. Step 6: Final answer
    x = 986,546.98

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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.