Home / 651,964.20-977,168.70-336,258.60

Finding the Fourth Proportional to 651,964.20, 977,168.70 and 336,258.60

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Solution

The fourth proportional to 651,964.20, 977,168.70 and 336,258.60 is: 503,986.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,964.20 : 977,168.70 = 336,258.60 : x
  2. Step 2: Convert to fraction form
    651,964.20/977,168.70 = 336,258.60/x
  3. Step 3: Cross multiply
    651,964.20x = 977,168.70 × 336,258.60
  4. Step 4: Simplify right side
    651,964.20x = 328,581,379,025.82
  5. Step 5: Solve for x
    x = 328,581,379,025.82/651,964.20
  6. Step 6: Final answer
    x = 503,986.84

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Double scale
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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.