Home / 930,866.36-1,396,379.64-256,947.76

Finding the Fourth Proportional to 930,866.36, 1,396,379.64 and 256,947.76

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Solution

The fourth proportional to 930,866.36, 1,396,379.64 and 256,947.76 is: 385,443.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,866.36 : 1,396,379.64 = 256,947.76 : x
  2. Step 2: Convert to fraction form
    930,866.36/1,396,379.64 = 256,947.76/x
  3. Step 3: Cross multiply
    930,866.36x = 1,396,379.64 × 256,947.76
  4. Step 4: Simplify right side
    930,866.36x = 358,796,620,607.61
  5. Step 5: Solve for x
    x = 358,796,620,607.61/930,866.36
  6. Step 6: Final answer
    x = 385,443.75

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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.