Home / 656,822.40-985,233.60-630,578.40

Finding the Fourth Proportional to 656,822.40, 985,233.60 and 630,578.40

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Solution

The fourth proportional to 656,822.40, 985,233.60 and 630,578.40 is: 945,867.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,822.40 : 985,233.60 = 630,578.40 : x
  2. Step 2: Convert to fraction form
    656,822.40/985,233.60 = 630,578.40/x
  3. Step 3: Cross multiply
    656,822.40x = 985,233.60 × 630,578.40
  4. Step 4: Simplify right side
    656,822.40x = 621,267,027,114.24
  5. Step 5: Solve for x
    x = 621,267,027,114.24/656,822.40
  6. Step 6: Final answer
    x = 945,867.60

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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.