Home / 704,774.56-1,057,152.80-172,300.32

Finding the Fourth Proportional to 704,774.56, 1,057,152.80 and 172,300.32

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Solution

The fourth proportional to 704,774.56, 1,057,152.80 and 172,300.32 is: 258,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,774.56 : 1,057,152.80 = 172,300.32 : x
  2. Step 2: Convert to fraction form
    704,774.56/1,057,152.80 = 172,300.32/x
  3. Step 3: Cross multiply
    704,774.56x = 1,057,152.80 × 172,300.32
  4. Step 4: Simplify right side
    704,774.56x = 182,147,765,728.90
  5. Step 5: Solve for x
    x = 182,147,765,728.90/704,774.56
  6. Step 6: Final answer
    x = 258,448.27

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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.