Home / 619,113.46-854,014.59-389,307.04

Finding the Fourth Proportional to 619,113.46, 854,014.59 and 389,307.04

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Solution

The fourth proportional to 619,113.46, 854,014.59 and 389,307.04 is: 537,016.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,113.46 : 854,014.59 = 389,307.04 : x
  2. Step 2: Convert to fraction form
    619,113.46/854,014.59 = 389,307.04/x
  3. Step 3: Cross multiply
    619,113.46x = 854,014.59 × 389,307.04
  4. Step 4: Simplify right side
    619,113.46x = 332,473,891,474.58
  5. Step 5: Solve for x
    x = 332,473,891,474.58/619,113.46
  6. Step 6: Final answer
    x = 537,016.10

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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.