Home / 1,708,914.78-2,561,359.53-697,405.50

Finding the Fourth Proportional to 1,708,914.78, 2,561,359.53 and 697,405.50

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Solution

The fourth proportional to 1,708,914.78, 2,561,359.53 and 697,405.50 is: 1,045,286.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,708,914.78 : 2,561,359.53 = 697,405.50 : x
  2. Step 2: Convert to fraction form
    1,708,914.78/2,561,359.53 = 697,405.50/x
  3. Step 3: Cross multiply
    1,708,914.78x = 2,561,359.53 × 697,405.50
  4. Step 4: Simplify right side
    1,708,914.78x = 1,786,306,223,699.41
  5. Step 5: Solve for x
    x = 1,786,306,223,699.41/1,708,914.78
  6. Step 6: Final answer
    x = 1,045,286.89

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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.