Home / 927,457.45-1,391,318.24-287,816.46

Finding the Fourth Proportional to 927,457.45, 1,391,318.24 and 287,816.46

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Solution

The fourth proportional to 927,457.45, 1,391,318.24 and 287,816.46 is: 431,765.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,457.45 : 1,391,318.24 = 287,816.46 : x
  2. Step 2: Convert to fraction form
    927,457.45/1,391,318.24 = 287,816.46/x
  3. Step 3: Cross multiply
    927,457.45x = 1,391,318.24 × 287,816.46
  4. Step 4: Simplify right side
    927,457.45x = 400,444,290,570.23
  5. Step 5: Solve for x
    x = 400,444,290,570.23/927,457.45
  6. Step 6: Final answer
    x = 431,765.67

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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.