Home / 623,324.20-934,986.30-619,387.60

Finding the Fourth Proportional to 623,324.20, 934,986.30 and 619,387.60

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Solution

The fourth proportional to 623,324.20, 934,986.30 and 619,387.60 is: 929,081.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,324.20 : 934,986.30 = 619,387.60 : x
  2. Step 2: Convert to fraction form
    623,324.20/934,986.30 = 619,387.60/x
  3. Step 3: Cross multiply
    623,324.20x = 934,986.30 × 619,387.60
  4. Step 4: Simplify right side
    623,324.20x = 579,118,920,389.88
  5. Step 5: Solve for x
    x = 579,118,920,389.88/623,324.20
  6. Step 6: Final answer
    x = 929,081.40

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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.