Home / 1,101,577.96-1,520,192.10-618,247.72

Finding the Fourth Proportional to 1,101,577.96, 1,520,192.10 and 618,247.72

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Solution

The fourth proportional to 1,101,577.96, 1,520,192.10 and 618,247.72 is: 853,190.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,577.96 : 1,520,192.10 = 618,247.72 : x
  2. Step 2: Convert to fraction form
    1,101,577.96/1,520,192.10 = 618,247.72/x
  3. Step 3: Cross multiply
    1,101,577.96x = 1,520,192.10 × 618,247.72
  4. Step 4: Simplify right side
    1,101,577.96x = 939,855,299,787.01
  5. Step 5: Solve for x
    x = 939,855,299,787.01/1,101,577.96
  6. Step 6: Final answer
    x = 853,190.00

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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.