Home / 1,305,307.76-1,957,955.64-406,750.11

Finding the Fourth Proportional to 1,305,307.76, 1,957,955.64 and 406,750.11

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Solution

The fourth proportional to 1,305,307.76, 1,957,955.64 and 406,750.11 is: 610,123.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,305,307.76 : 1,957,955.64 = 406,750.11 : x
  2. Step 2: Convert to fraction form
    1,305,307.76/1,957,955.64 = 406,750.11/x
  3. Step 3: Cross multiply
    1,305,307.76x = 1,957,955.64 × 406,750.11
  4. Step 4: Simplify right side
    1,305,307.76x = 796,398,665,365.44
  5. Step 5: Solve for x
    x = 796,398,665,365.44/1,305,307.76
  6. Step 6: Final answer
    x = 610,123.29

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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.