Home / 771,553.44-1,158,078.16-372,475.04

Finding the Fourth Proportional to 771,553.44, 1,158,078.16 and 372,475.04

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Solution

The fourth proportional to 771,553.44, 1,158,078.16 and 372,475.04 is: 559,073.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,553.44 : 1,158,078.16 = 372,475.04 : x
  2. Step 2: Convert to fraction form
    771,553.44/1,158,078.16 = 372,475.04/x
  3. Step 3: Cross multiply
    771,553.44x = 1,158,078.16 × 372,475.04
  4. Step 4: Simplify right side
    771,553.44x = 431,355,208,969.13
  5. Step 5: Solve for x
    x = 431,355,208,969.13/771,553.44
  6. Step 6: Final answer
    x = 559,073.66

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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.