Home / 927,342.07-1,391,107.50-320,051.35

Finding the Fourth Proportional to 927,342.07, 1,391,107.50 and 320,051.35

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Solution

The fourth proportional to 927,342.07, 1,391,107.50 and 320,051.35 is: 480,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,342.07 : 1,391,107.50 = 320,051.35 : x
  2. Step 2: Convert to fraction form
    927,342.07/1,391,107.50 = 320,051.35/x
  3. Step 3: Cross multiply
    927,342.07x = 1,391,107.50 × 320,051.35
  4. Step 4: Simplify right side
    927,342.07x = 445,225,833,370.13
  5. Step 5: Solve for x
    x = 445,225,833,370.13/927,342.07
  6. Step 6: Final answer
    x = 480,109.60

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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.