Home / 807,071.91-1,113,809.60-444,495.67

Finding the Fourth Proportional to 807,071.91, 1,113,809.60 and 444,495.67

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Solution

The fourth proportional to 807,071.91, 1,113,809.60 and 444,495.67 is: 613,431.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,071.91 : 1,113,809.60 = 444,495.67 : x
  2. Step 2: Convert to fraction form
    807,071.91/1,113,809.60 = 444,495.67/x
  3. Step 3: Cross multiply
    807,071.91x = 1,113,809.60 × 444,495.67
  4. Step 4: Simplify right side
    807,071.91x = 495,083,542,731.15
  5. Step 5: Solve for x
    x = 495,083,542,731.15/807,071.91
  6. Step 6: Final answer
    x = 613,431.76

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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.