Home / 1,691,693.46-2,538,066.33-554,465.61

Finding the Fourth Proportional to 1,691,693.46, 2,538,066.33 and 554,465.61

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Solution

The fourth proportional to 1,691,693.46, 2,538,066.33 and 554,465.61 is: 831,870.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,691,693.46 : 2,538,066.33 = 554,465.61 : x
  2. Step 2: Convert to fraction form
    1,691,693.46/2,538,066.33 = 554,465.61/x
  3. Step 3: Cross multiply
    1,691,693.46x = 2,538,066.33 × 554,465.61
  4. Step 4: Simplify right side
    1,691,693.46x = 1,407,270,495,883.91
  5. Step 5: Solve for x
    x = 1,407,270,495,883.91/1,691,693.46
  6. Step 6: Final answer
    x = 831,870.86

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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.