Home / 1,384,689.67-2,077,200.36-425,019.59

Finding the Fourth Proportional to 1,384,689.67, 2,077,200.36 and 425,019.59

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Solution

The fourth proportional to 1,384,689.67, 2,077,200.36 and 425,019.59 is: 637,580.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,689.67 : 2,077,200.36 = 425,019.59 : x
  2. Step 2: Convert to fraction form
    1,384,689.67/2,077,200.36 = 425,019.59/x
  3. Step 3: Cross multiply
    1,384,689.67x = 2,077,200.36 × 425,019.59
  4. Step 4: Simplify right side
    1,384,689.67x = 882,850,845,355.05
  5. Step 5: Solve for x
    x = 882,850,845,355.05/1,384,689.67
  6. Step 6: Final answer
    x = 637,580.29

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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.