Home / 934,209.40-1,401,314.10-926,336.20

Finding the Fourth Proportional to 934,209.40, 1,401,314.10 and 926,336.20

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Solution

The fourth proportional to 934,209.40, 1,401,314.10 and 926,336.20 is: 1,389,504.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,209.40 : 1,401,314.10 = 926,336.20 : x
  2. Step 2: Convert to fraction form
    934,209.40/1,401,314.10 = 926,336.20/x
  3. Step 3: Cross multiply
    934,209.40x = 1,401,314.10 × 926,336.20
  4. Step 4: Simplify right side
    934,209.40x = 1,298,087,978,400.42
  5. Step 5: Solve for x
    x = 1,298,087,978,400.42/934,209.40
  6. Step 6: Final answer
    x = 1,389,504.30

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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.