Home / 612,070.48-843,767.04-427,736.74

Finding the Fourth Proportional to 612,070.48, 843,767.04 and 427,736.74

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Solution

The fourth proportional to 612,070.48, 843,767.04 and 427,736.74 is: 589,654.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,070.48 : 843,767.04 = 427,736.74 : x
  2. Step 2: Convert to fraction form
    612,070.48/843,767.04 = 427,736.74/x
  3. Step 3: Cross multiply
    612,070.48x = 843,767.04 × 427,736.74
  4. Step 4: Simplify right side
    612,070.48x = 360,910,163,776.73
  5. Step 5: Solve for x
    x = 360,910,163,776.73/612,070.48
  6. Step 6: Final answer
    x = 589,654.59

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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.