Home / 807,142.65-1,113,864.39-444,567.84

Finding the Fourth Proportional to 807,142.65, 1,113,864.39 and 444,567.84

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Solution

The fourth proportional to 807,142.65, 1,113,864.39 and 444,567.84 is: 613,507.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,142.65 : 1,113,864.39 = 444,567.84 : x
  2. Step 2: Convert to fraction form
    807,142.65/1,113,864.39 = 444,567.84/x
  3. Step 3: Cross multiply
    807,142.65x = 1,113,864.39 × 444,567.84
  4. Step 4: Simplify right side
    807,142.65x = 495,188,285,915.22
  5. Step 5: Solve for x
    x = 495,188,285,915.22/807,142.65
  6. Step 6: Final answer
    x = 613,507.77

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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.