Home / 977,085.21-1,465,628.43-267,059.88

Finding the Fourth Proportional to 977,085.21, 1,465,628.43 and 267,059.88

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Solution

The fourth proportional to 977,085.21, 1,465,628.43 and 267,059.88 is: 400,589.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,085.21 : 1,465,628.43 = 267,059.88 : x
  2. Step 2: Convert to fraction form
    977,085.21/1,465,628.43 = 267,059.88/x
  3. Step 3: Cross multiply
    977,085.21x = 1,465,628.43 × 267,059.88
  4. Step 4: Simplify right side
    977,085.21x = 391,410,552,640.39
  5. Step 5: Solve for x
    x = 391,410,552,640.39/977,085.21
  6. Step 6: Final answer
    x = 400,589.99

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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.