Home / 943,338.30-1,415,007.45-659,903.10

Finding the Fourth Proportional to 943,338.30, 1,415,007.45 and 659,903.10

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Solution

The fourth proportional to 943,338.30, 1,415,007.45 and 659,903.10 is: 989,854.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,338.30 : 1,415,007.45 = 659,903.10 : x
  2. Step 2: Convert to fraction form
    943,338.30/1,415,007.45 = 659,903.10/x
  3. Step 3: Cross multiply
    943,338.30x = 1,415,007.45 × 659,903.10
  4. Step 4: Simplify right side
    943,338.30x = 933,767,802,778.10
  5. Step 5: Solve for x
    x = 933,767,802,778.10/943,338.30
  6. Step 6: Final answer
    x = 989,854.65

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Similar ratio
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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.