Home / 1,160,390.40-1,740,628.48-319,008

Finding the Fourth Proportional to 1,160,390.40, 1,740,628.48 and 319,008

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Solution

The fourth proportional to 1,160,390.40, 1,740,628.48 and 319,008 is: 478,523.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,390.40 : 1,740,628.48 = 319,008 : x
  2. Step 2: Convert to fraction form
    1,160,390.40/1,740,628.48 = 319,008/x
  3. Step 3: Cross multiply
    1,160,390.40x = 1,740,628.48 × 319,008
  4. Step 4: Simplify right side
    1,160,390.40x = 555,274,410,147.84
  5. Step 5: Solve for x
    x = 555,274,410,147.84/1,160,390.40
  6. Step 6: Final answer
    x = 478,523.79

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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.