Home / 1,279,689.84-1,919,893.50-560,094.21

Finding the Fourth Proportional to 1,279,689.84, 1,919,893.50 and 560,094.21

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Solution

The fourth proportional to 1,279,689.84, 1,919,893.50 and 560,094.21 is: 840,298.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,689.84 : 1,919,893.50 = 560,094.21 : x
  2. Step 2: Convert to fraction form
    1,279,689.84/1,919,893.50 = 560,094.21/x
  3. Step 3: Cross multiply
    1,279,689.84x = 1,919,893.50 × 560,094.21
  4. Step 4: Simplify right side
    1,279,689.84x = 1,075,321,233,166.63
  5. Step 5: Solve for x
    x = 1,075,321,233,166.63/1,279,689.84
  6. Step 6: Final answer
    x = 840,298.33

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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.