Home / 1,296,223.75-1,943,714.56-612,541.63

Finding the Fourth Proportional to 1,296,223.75, 1,943,714.56 and 612,541.63

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Solution

The fourth proportional to 1,296,223.75, 1,943,714.56 and 612,541.63 is: 918,518.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,296,223.75 : 1,943,714.56 = 612,541.63 : x
  2. Step 2: Convert to fraction form
    1,296,223.75/1,943,714.56 = 612,541.63/x
  3. Step 3: Cross multiply
    1,296,223.75x = 1,943,714.56 × 612,541.63
  4. Step 4: Simplify right side
    1,296,223.75x = 1,190,606,084,837.13
  5. Step 5: Solve for x
    x = 1,190,606,084,837.13/1,296,223.75
  6. Step 6: Final answer
    x = 918,518.96

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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.