Home / 869,344.35-1,301,251.73-620,512.35

Finding the Fourth Proportional to 869,344.35, 1,301,251.73 and 620,512.35

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Solution

The fourth proportional to 869,344.35, 1,301,251.73 and 620,512.35 is: 928,795.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,344.35 : 1,301,251.73 = 620,512.35 : x
  2. Step 2: Convert to fraction form
    869,344.35/1,301,251.73 = 620,512.35/x
  3. Step 3: Cross multiply
    869,344.35x = 1,301,251.73 × 620,512.35
  4. Step 4: Simplify right side
    869,344.35x = 807,442,765,821.30
  5. Step 5: Solve for x
    x = 807,442,765,821.30/869,344.35
  6. Step 6: Final answer
    x = 928,795.09

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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.