Home / 901,546.60-1,352,103.90-521,645.80

Finding the Fourth Proportional to 901,546.60, 1,352,103.90 and 521,645.80

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Solution

The fourth proportional to 901,546.60, 1,352,103.90 and 521,645.80 is: 782,343.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,546.60 : 1,352,103.90 = 521,645.80 : x
  2. Step 2: Convert to fraction form
    901,546.60/1,352,103.90 = 521,645.80/x
  3. Step 3: Cross multiply
    901,546.60x = 1,352,103.90 × 521,645.80
  4. Step 4: Simplify right side
    901,546.60x = 705,319,320,598.62
  5. Step 5: Solve for x
    x = 705,319,320,598.62/901,546.60
  6. Step 6: Final answer
    x = 782,343.72

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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.