Home / 486,459.14-671,307.09-271,602.50

Finding the Fourth Proportional to 486,459.14, 671,307.09 and 271,602.50

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Solution

The fourth proportional to 486,459.14, 671,307.09 and 271,602.50 is: 374,807.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,459.14 : 671,307.09 = 271,602.50 : x
  2. Step 2: Convert to fraction form
    486,459.14/671,307.09 = 271,602.50/x
  3. Step 3: Cross multiply
    486,459.14x = 671,307.09 × 271,602.50
  4. Step 4: Simplify right side
    486,459.14x = 182,328,683,911.73
  5. Step 5: Solve for x
    x = 182,328,683,911.73/486,459.14
  6. Step 6: Final answer
    x = 374,807.81

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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.