Home / 1,693,421.68-2,539,102.20-719,638.06

Finding the Fourth Proportional to 1,693,421.68, 2,539,102.20 and 719,638.06

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Solution

The fourth proportional to 1,693,421.68, 2,539,102.20 and 719,638.06 is: 1,079,019.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693,421.68 : 2,539,102.20 = 719,638.06 : x
  2. Step 2: Convert to fraction form
    1,693,421.68/2,539,102.20 = 719,638.06/x
  3. Step 3: Cross multiply
    1,693,421.68x = 2,539,102.20 × 719,638.06
  4. Step 4: Simplify right side
    1,693,421.68x = 1,827,234,581,349.73
  5. Step 5: Solve for x
    x = 1,827,234,581,349.73/1,693,421.68
  6. Step 6: Final answer
    x = 1,079,019.24

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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.