Home / 1,693,141.08-2,336,580.18-929,221.80

Finding the Fourth Proportional to 1,693,141.08, 2,336,580.18 and 929,221.80

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Solution

The fourth proportional to 1,693,141.08, 2,336,580.18 and 929,221.80 is: 1,282,351.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,141.08 : 2,336,580.18 = 929,221.80 : x
  2. Step 2: Convert to fraction form
    1,693,141.08/2,336,580.18 = 929,221.80/x
  3. Step 3: Cross multiply
    1,693,141.08x = 2,336,580.18 × 929,221.80
  4. Step 4: Simplify right side
    1,693,141.08x = 2,171,201,240,703.92
  5. Step 5: Solve for x
    x = 2,171,201,240,703.92/1,693,141.08
  6. Step 6: Final answer
    x = 1,282,351.05

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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.