Home / 883,975.60-1,325,963.40-323,412.40

Finding the Fourth Proportional to 883,975.60, 1,325,963.40 and 323,412.40

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Solution

The fourth proportional to 883,975.60, 1,325,963.40 and 323,412.40 is: 485,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,975.60 : 1,325,963.40 = 323,412.40 : x
  2. Step 2: Convert to fraction form
    883,975.60/1,325,963.40 = 323,412.40/x
  3. Step 3: Cross multiply
    883,975.60x = 1,325,963.40 × 323,412.40
  4. Step 4: Simplify right side
    883,975.60x = 428,833,005,506.16
  5. Step 5: Solve for x
    x = 428,833,005,506.16/883,975.60
  6. Step 6: Final answer
    x = 485,118.60

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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.