Home / 1,236,864.55-1,854,001.93-517,618.35

Finding the Fourth Proportional to 1,236,864.55, 1,854,001.93 and 517,618.35

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Solution

The fourth proportional to 1,236,864.55, 1,854,001.93 and 517,618.35 is: 775,885.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,864.55 : 1,854,001.93 = 517,618.35 : x
  2. Step 2: Convert to fraction form
    1,236,864.55/1,854,001.93 = 517,618.35/x
  3. Step 3: Cross multiply
    1,236,864.55x = 1,854,001.93 × 517,618.35
  4. Step 4: Simplify right side
    1,236,864.55x = 959,665,419,903.42
  5. Step 5: Solve for x
    x = 959,665,419,903.42/1,236,864.55
  6. Step 6: Final answer
    x = 775,885.62

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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.