Home / 747,627.90-1,120,676.40-367,964.70

Finding the Fourth Proportional to 747,627.90, 1,120,676.40 and 367,964.70

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Solution

The fourth proportional to 747,627.90, 1,120,676.40 and 367,964.70 is: 551,570.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,627.90 : 1,120,676.40 = 367,964.70 : x
  2. Step 2: Convert to fraction form
    747,627.90/1,120,676.40 = 367,964.70/x
  3. Step 3: Cross multiply
    747,627.90x = 1,120,676.40 × 367,964.70
  4. Step 4: Simplify right side
    747,627.90x = 412,369,355,323.08
  5. Step 5: Solve for x
    x = 412,369,355,323.08/747,627.90
  6. Step 6: Final answer
    x = 551,570.31

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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.