Home / 971,147.72-1,340,442.32-573,674.36

Finding the Fourth Proportional to 971,147.72, 1,340,442.32 and 573,674.36

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Solution

The fourth proportional to 971,147.72, 1,340,442.32 and 573,674.36 is: 791,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,147.72 : 1,340,442.32 = 573,674.36 : x
  2. Step 2: Convert to fraction form
    971,147.72/1,340,442.32 = 573,674.36/x
  3. Step 3: Cross multiply
    971,147.72x = 1,340,442.32 × 573,674.36
  4. Step 4: Simplify right side
    971,147.72x = 768,977,380,472.33
  5. Step 5: Solve for x
    x = 768,977,380,472.33/971,147.72
  6. Step 6: Final answer
    x = 791,823.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.