Home / 1,539,238.76-2,124,152.40-860,175.26

Finding the Fourth Proportional to 1,539,238.76, 2,124,152.40 and 860,175.26

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Solution

The fourth proportional to 1,539,238.76, 2,124,152.40 and 860,175.26 is: 1,187,043.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,238.76 : 2,124,152.40 = 860,175.26 : x
  2. Step 2: Convert to fraction form
    1,539,238.76/2,124,152.40 = 860,175.26/x
  3. Step 3: Cross multiply
    1,539,238.76x = 2,124,152.40 × 860,175.26
  4. Step 4: Simplify right side
    1,539,238.76x = 1,827,143,342,949.62
  5. Step 5: Solve for x
    x = 1,827,143,342,949.62/1,539,238.76
  6. Step 6: Final answer
    x = 1,187,043.49

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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.