Home / 883,445.60-1,325,168.40-322,498.40

Finding the Fourth Proportional to 883,445.60, 1,325,168.40 and 322,498.40

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Solution

The fourth proportional to 883,445.60, 1,325,168.40 and 322,498.40 is: 483,747.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,445.60 : 1,325,168.40 = 322,498.40 : x
  2. Step 2: Convert to fraction form
    883,445.60/1,325,168.40 = 322,498.40/x
  3. Step 3: Cross multiply
    883,445.60x = 1,325,168.40 × 322,498.40
  4. Step 4: Simplify right side
    883,445.60x = 427,364,688,730.56
  5. Step 5: Solve for x
    x = 427,364,688,730.56/883,445.60
  6. Step 6: Final answer
    x = 483,747.60

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Double scale
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Similar ratio
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1.5x scale

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.