Home / 686,777.46-1,030,025.91-260,166.21

Finding the Fourth Proportional to 686,777.46, 1,030,025.91 and 260,166.21

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Solution

The fourth proportional to 686,777.46, 1,030,025.91 and 260,166.21 is: 390,196.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,777.46 : 1,030,025.91 = 260,166.21 : x
  2. Step 2: Convert to fraction form
    686,777.46/1,030,025.91 = 260,166.21/x
  3. Step 3: Cross multiply
    686,777.46x = 1,030,025.91 × 260,166.21
  4. Step 4: Simplify right side
    686,777.46x = 267,977,937,206.50
  5. Step 5: Solve for x
    x = 267,977,937,206.50/686,777.46
  6. Step 6: Final answer
    x = 390,196.17

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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.