Home / 1,245,510.36-1,868,527.98-403,996.50

Finding the Fourth Proportional to 1,245,510.36, 1,868,527.98 and 403,996.50

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Solution

The fourth proportional to 1,245,510.36, 1,868,527.98 and 403,996.50 is: 606,079.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,510.36 : 1,868,527.98 = 403,996.50 : x
  2. Step 2: Convert to fraction form
    1,245,510.36/1,868,527.98 = 403,996.50/x
  3. Step 3: Cross multiply
    1,245,510.36x = 1,868,527.98 × 403,996.50
  4. Step 4: Simplify right side
    1,245,510.36x = 754,878,764,072.07
  5. Step 5: Solve for x
    x = 754,878,764,072.07/1,245,510.36
  6. Step 6: Final answer
    x = 606,079.88

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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.