Home / 1,022,338.38-1,533,783.70-312,347.06

Finding the Fourth Proportional to 1,022,338.38, 1,533,783.70 and 312,347.06

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Solution

The fourth proportional to 1,022,338.38, 1,533,783.70 and 312,347.06 is: 468,604.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,338.38 : 1,533,783.70 = 312,347.06 : x
  2. Step 2: Convert to fraction form
    1,022,338.38/1,533,783.70 = 312,347.06/x
  3. Step 3: Cross multiply
    1,022,338.38x = 1,533,783.70 × 312,347.06
  4. Step 4: Simplify right side
    1,022,338.38x = 479,072,824,755.60
  5. Step 5: Solve for x
    x = 479,072,824,755.60/1,022,338.38
  6. Step 6: Final answer
    x = 468,604.95

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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.