Home / 977,986.20-1,467,416.70-347,352.60

Finding the Fourth Proportional to 977,986.20, 1,467,416.70 and 347,352.60

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Solution

The fourth proportional to 977,986.20, 1,467,416.70 and 347,352.60 is: 521,184.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,986.20 : 1,467,416.70 = 347,352.60 : x
  2. Step 2: Convert to fraction form
    977,986.20/1,467,416.70 = 347,352.60/x
  3. Step 3: Cross multiply
    977,986.20x = 1,467,416.70 × 347,352.60
  4. Step 4: Simplify right side
    977,986.20x = 509,711,006,028.42
  5. Step 5: Solve for x
    x = 509,711,006,028.42/977,986.20
  6. Step 6: Final answer
    x = 521,184.25

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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.