Home / 1,020,940.22-1,531,480.80-346,746.44

Finding the Fourth Proportional to 1,020,940.22, 1,531,480.80 and 346,746.44

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Solution

The fourth proportional to 1,020,940.22, 1,531,480.80 and 346,746.44 is: 520,143.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,020,940.22 : 1,531,480.80 = 346,746.44 : x
  2. Step 2: Convert to fraction form
    1,020,940.22/1,531,480.80 = 346,746.44/x
  3. Step 3: Cross multiply
    1,020,940.22x = 1,531,480.80 × 346,746.44
  4. Step 4: Simplify right side
    1,020,940.22x = 531,035,515,328.35
  5. Step 5: Solve for x
    x = 531,035,515,328.35/1,020,940.22
  6. Step 6: Final answer
    x = 520,143.59

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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.