Home / 1,693,215.60-2,336,630.88-918,849.60

Finding the Fourth Proportional to 1,693,215.60, 2,336,630.88 and 918,849.60

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Solution

The fourth proportional to 1,693,215.60, 2,336,630.88 and 918,849.60 is: 1,268,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,215.60 : 2,336,630.88 = 918,849.60 : x
  2. Step 2: Convert to fraction form
    1,693,215.60/2,336,630.88 = 918,849.60/x
  3. Step 3: Cross multiply
    1,693,215.60x = 2,336,630.88 × 918,849.60
  4. Step 4: Simplify right side
    1,693,215.60x = 2,147,012,349,435.65
  5. Step 5: Solve for x
    x = 2,147,012,349,435.65/1,693,215.60
  6. Step 6: Final answer
    x = 1,268,008.84

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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.