Home / 1,638,564.65-2,458,198.10-573,641.45

Finding the Fourth Proportional to 1,638,564.65, 2,458,198.10 and 573,641.45

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Solution

The fourth proportional to 1,638,564.65, 2,458,198.10 and 573,641.45 is: 860,585.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,564.65 : 2,458,198.10 = 573,641.45 : x
  2. Step 2: Convert to fraction form
    1,638,564.65/2,458,198.10 = 573,641.45/x
  3. Step 3: Cross multiply
    1,638,564.65x = 2,458,198.10 × 573,641.45
  4. Step 4: Simplify right side
    1,638,564.65x = 1,410,124,307,312.05
  5. Step 5: Solve for x
    x = 1,410,124,307,312.05/1,638,564.65
  6. Step 6: Final answer
    x = 860,585.09

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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.