Home / 1,423,661.98-2,135,806.67-412,826.13

Finding the Fourth Proportional to 1,423,661.98, 2,135,806.67 and 412,826.13

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Solution

The fourth proportional to 1,423,661.98, 2,135,806.67 and 412,826.13 is: 619,330.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,423,661.98 : 2,135,806.67 = 412,826.13 : x
  2. Step 2: Convert to fraction form
    1,423,661.98/2,135,806.67 = 412,826.13/x
  3. Step 3: Cross multiply
    1,423,661.98x = 2,135,806.67 × 412,826.13
  4. Step 4: Simplify right side
    1,423,661.98x = 881,716,802,004.29
  5. Step 5: Solve for x
    x = 881,716,802,004.29/1,423,661.98
  6. Step 6: Final answer
    x = 619,330.16

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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.