Home / 1,126,504.14-1,554,516.27-643,050.06

Finding the Fourth Proportional to 1,126,504.14, 1,554,516.27 and 643,050.06

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Solution

The fourth proportional to 1,126,504.14, 1,554,516.27 and 643,050.06 is: 887,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,504.14 : 1,554,516.27 = 643,050.06 : x
  2. Step 2: Convert to fraction form
    1,126,504.14/1,554,516.27 = 643,050.06/x
  3. Step 3: Cross multiply
    1,126,504.14x = 1,554,516.27 × 643,050.06
  4. Step 4: Simplify right side
    1,126,504.14x = 999,631,780,694.48
  5. Step 5: Solve for x
    x = 999,631,780,694.48/1,126,504.14
  6. Step 6: Final answer
    x = 887,375.15

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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.