Home / 623,150.20-934,725.30-619,213.60

Finding the Fourth Proportional to 623,150.20, 934,725.30 and 619,213.60

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Solution

The fourth proportional to 623,150.20, 934,725.30 and 619,213.60 is: 928,820.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,150.20 : 934,725.30 = 619,213.60 : x
  2. Step 2: Convert to fraction form
    623,150.20/934,725.30 = 619,213.60/x
  3. Step 3: Cross multiply
    623,150.20x = 934,725.30 × 619,213.60
  4. Step 4: Simplify right side
    623,150.20x = 578,794,618,024.08
  5. Step 5: Solve for x
    x = 578,794,618,024.08/623,150.20
  6. Step 6: Final answer
    x = 928,820.40

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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.