Home / 883,873.92-1,219,688.52-521,214.60

Finding the Fourth Proportional to 883,873.92, 1,219,688.52 and 521,214.60

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Solution

The fourth proportional to 883,873.92, 1,219,688.52 and 521,214.60 is: 719,242.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,873.92 : 1,219,688.52 = 521,214.60 : x
  2. Step 2: Convert to fraction form
    883,873.92/1,219,688.52 = 521,214.60/x
  3. Step 3: Cross multiply
    883,873.92x = 1,219,688.52 × 521,214.60
  4. Step 4: Simplify right side
    883,873.92x = 635,719,464,076.39
  5. Step 5: Solve for x
    x = 635,719,464,076.39/883,873.92
  6. Step 6: Final answer
    x = 719,242.25

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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.