Home / 1,953,637.72-2,930,013.78-691,465.48

Finding the Fourth Proportional to 1,953,637.72, 2,930,013.78 and 691,465.48

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Solution

The fourth proportional to 1,953,637.72, 2,930,013.78 and 691,465.48 is: 1,037,041.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,953,637.72 : 2,930,013.78 = 691,465.48 : x
  2. Step 2: Convert to fraction form
    1,953,637.72/2,930,013.78 = 691,465.48/x
  3. Step 3: Cross multiply
    1,953,637.72x = 2,930,013.78 × 691,465.48
  4. Step 4: Simplify right side
    1,953,637.72x = 2,026,003,384,794.31
  5. Step 5: Solve for x
    x = 2,026,003,384,794.31/1,953,637.72
  6. Step 6: Final answer
    x = 1,037,041.50

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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.