Home / 1,413,139.01-1,950,141.07-768,563.89

Finding the Fourth Proportional to 1,413,139.01, 1,950,141.07 and 768,563.89

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Solution

The fourth proportional to 1,413,139.01, 1,950,141.07 and 768,563.89 is: 1,060,623.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,139.01 : 1,950,141.07 = 768,563.89 : x
  2. Step 2: Convert to fraction form
    1,413,139.01/1,950,141.07 = 768,563.89/x
  3. Step 3: Cross multiply
    1,413,139.01x = 1,950,141.07 × 768,563.89
  4. Step 4: Simplify right side
    1,413,139.01x = 1,498,808,009,539.69
  5. Step 5: Solve for x
    x = 1,498,808,009,539.69/1,413,139.01
  6. Step 6: Final answer
    x = 1,060,623.19

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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.