Home / 649,214.60-973,821.90-624,331.40

Finding the Fourth Proportional to 649,214.60, 973,821.90 and 624,331.40

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Solution

The fourth proportional to 649,214.60, 973,821.90 and 624,331.40 is: 936,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,214.60 : 973,821.90 = 624,331.40 : x
  2. Step 2: Convert to fraction form
    649,214.60/973,821.90 = 624,331.40/x
  3. Step 3: Cross multiply
    649,214.60x = 973,821.90 × 624,331.40
  4. Step 4: Simplify right side
    649,214.60x = 607,987,590,177.66
  5. Step 5: Solve for x
    x = 607,987,590,177.66/649,214.60
  6. Step 6: Final answer
    x = 936,497.10

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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.