Home / 1,219,307.22-1,830,095.66-620,716.52

Finding the Fourth Proportional to 1,219,307.22, 1,830,095.66 and 620,716.52

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Solution

The fourth proportional to 1,219,307.22, 1,830,095.66 and 620,716.52 is: 931,652.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,307.22 : 1,830,095.66 = 620,716.52 : x
  2. Step 2: Convert to fraction form
    1,219,307.22/1,830,095.66 = 620,716.52/x
  3. Step 3: Cross multiply
    1,219,307.22x = 1,830,095.66 × 620,716.52
  4. Step 4: Simplify right side
    1,219,307.22x = 1,135,970,609,342.30
  5. Step 5: Solve for x
    x = 1,135,970,609,342.30/1,219,307.22
  6. Step 6: Final answer
    x = 931,652.49

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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.