Home / 735,493.60-1,015,063.55-445,265.13

Finding the Fourth Proportional to 735,493.60, 1,015,063.55 and 445,265.13

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Solution

The fourth proportional to 735,493.60, 1,015,063.55 and 445,265.13 is: 614,515.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    735,493.60 : 1,015,063.55 = 445,265.13 : x
  2. Step 2: Convert to fraction form
    735,493.60/1,015,063.55 = 445,265.13/x
  3. Step 3: Cross multiply
    735,493.60x = 1,015,063.55 × 445,265.13
  4. Step 4: Simplify right side
    735,493.60x = 451,972,406,798.92
  5. Step 5: Solve for x
    x = 451,972,406,798.92/735,493.60
  6. Step 6: Final answer
    x = 614,515.76

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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.