Home / 916,669.16-1,374,982.54-539,979.48

Finding the Fourth Proportional to 916,669.16, 1,374,982.54 and 539,979.48

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Solution

The fourth proportional to 916,669.16, 1,374,982.54 and 539,979.48 is: 809,956.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,669.16 : 1,374,982.54 = 539,979.48 : x
  2. Step 2: Convert to fraction form
    916,669.16/1,374,982.54 = 539,979.48/x
  3. Step 3: Cross multiply
    916,669.16x = 1,374,982.54 × 539,979.48
  4. Step 4: Simplify right side
    916,669.16x = 742,462,356,958.28
  5. Step 5: Solve for x
    x = 742,462,356,958.28/916,669.16
  6. Step 6: Final answer
    x = 809,956.73

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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.