Home / 1,348,060.77-1,860,336.45-767,255.39

Finding the Fourth Proportional to 1,348,060.77, 1,860,336.45 and 767,255.39

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Solution

The fourth proportional to 1,348,060.77, 1,860,336.45 and 767,255.39 is: 1,058,819.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,060.77 : 1,860,336.45 = 767,255.39 : x
  2. Step 2: Convert to fraction form
    1,348,060.77/1,860,336.45 = 767,255.39/x
  3. Step 3: Cross multiply
    1,348,060.77x = 1,860,336.45 × 767,255.39
  4. Step 4: Simplify right side
    1,348,060.77x = 1,427,353,159,174.28
  5. Step 5: Solve for x
    x = 1,427,353,159,174.28/1,348,060.77
  6. Step 6: Final answer
    x = 1,058,819.60

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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.