Home / 934,000.40-1,401,000.60-815,902.40

Finding the Fourth Proportional to 934,000.40, 1,401,000.60 and 815,902.40

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Solution

The fourth proportional to 934,000.40, 1,401,000.60 and 815,902.40 is: 1,223,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,000.40 : 1,401,000.60 = 815,902.40 : x
  2. Step 2: Convert to fraction form
    934,000.40/1,401,000.60 = 815,902.40/x
  3. Step 3: Cross multiply
    934,000.40x = 1,401,000.60 × 815,902.40
  4. Step 4: Simplify right side
    934,000.40x = 1,143,079,751,941.44
  5. Step 5: Solve for x
    x = 1,143,079,751,941.44/934,000.40
  6. Step 6: Final answer
    x = 1,223,853.60

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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.