Home / 696,455.75-1,043,338.30-513,764.39

Finding the Fourth Proportional to 696,455.75, 1,043,338.30 and 513,764.39

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Solution

The fourth proportional to 696,455.75, 1,043,338.30 and 513,764.39 is: 769,654.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,455.75 : 1,043,338.30 = 513,764.39 : x
  2. Step 2: Convert to fraction form
    696,455.75/1,043,338.30 = 513,764.39/x
  3. Step 3: Cross multiply
    696,455.75x = 1,043,338.30 × 513,764.39
  4. Step 4: Simplify right side
    696,455.75x = 536,030,058,762.04
  5. Step 5: Solve for x
    x = 536,030,058,762.04/696,455.75
  6. Step 6: Final answer
    x = 769,654.16

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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.