Home / 434,233.20-651,349.80-411,423.60

Finding the Fourth Proportional to 434,233.20, 651,349.80 and 411,423.60

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Solution

The fourth proportional to 434,233.20, 651,349.80 and 411,423.60 is: 617,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,233.20 : 651,349.80 = 411,423.60 : x
  2. Step 2: Convert to fraction form
    434,233.20/651,349.80 = 411,423.60/x
  3. Step 3: Cross multiply
    434,233.20x = 651,349.80 × 411,423.60
  4. Step 4: Simplify right side
    434,233.20x = 267,980,679,575.28
  5. Step 5: Solve for x
    x = 267,980,679,575.28/434,233.20
  6. Step 6: Final answer
    x = 617,135.40

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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.