Home / 954,816.40-1,432,224.60-289,968.40

Finding the Fourth Proportional to 954,816.40, 1,432,224.60 and 289,968.40

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Solution

The fourth proportional to 954,816.40, 1,432,224.60 and 289,968.40 is: 434,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    954,816.40 : 1,432,224.60 = 289,968.40 : x
  2. Step 2: Convert to fraction form
    954,816.40/1,432,224.60 = 289,968.40/x
  3. Step 3: Cross multiply
    954,816.40x = 1,432,224.60 × 289,968.40
  4. Step 4: Simplify right side
    954,816.40x = 415,299,875,702.64
  5. Step 5: Solve for x
    x = 415,299,875,702.64/954,816.40
  6. Step 6: Final answer
    x = 434,952.60

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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.