Home / 1,312,201.40-1,968,379.86-413,671.64

Finding the Fourth Proportional to 1,312,201.40, 1,968,379.86 and 413,671.64

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Solution

The fourth proportional to 1,312,201.40, 1,968,379.86 and 413,671.64 is: 620,531.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,312,201.40 : 1,968,379.86 = 413,671.64 : x
  2. Step 2: Convert to fraction form
    1,312,201.40/1,968,379.86 = 413,671.64/x
  3. Step 3: Cross multiply
    1,312,201.40x = 1,968,379.86 × 413,671.64
  4. Step 4: Simplify right side
    1,312,201.40x = 814,262,924,829.17
  5. Step 5: Solve for x
    x = 814,262,924,829.17/1,312,201.40
  6. Step 6: Final answer
    x = 620,531.97

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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.