Home / 676,394.60-932,975.46-434,982.59

Finding the Fourth Proportional to 676,394.60, 932,975.46 and 434,982.59

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Solution

The fourth proportional to 676,394.60, 932,975.46 and 434,982.59 is: 599,987.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,394.60 : 932,975.46 = 434,982.59 : x
  2. Step 2: Convert to fraction form
    676,394.60/932,975.46 = 434,982.59/x
  3. Step 3: Cross multiply
    676,394.60x = 932,975.46 × 434,982.59
  4. Step 4: Simplify right side
    676,394.60x = 405,828,081,997.24
  5. Step 5: Solve for x
    x = 405,828,081,997.24/676,394.60
  6. Step 6: Final answer
    x = 599,987.17

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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.