Home / 671,192.17-926,266.20-380,815.97

Finding the Fourth Proportional to 671,192.17, 926,266.20 and 380,815.97

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Solution

The fourth proportional to 671,192.17, 926,266.20 and 380,815.97 is: 525,537.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,192.17 : 926,266.20 = 380,815.97 : x
  2. Step 2: Convert to fraction form
    671,192.17/926,266.20 = 380,815.97/x
  3. Step 3: Cross multiply
    671,192.17x = 926,266.20 × 380,815.97
  4. Step 4: Simplify right side
    671,192.17x = 352,736,962,724.16
  5. Step 5: Solve for x
    x = 352,736,962,724.16/671,192.17
  6. Step 6: Final answer
    x = 525,537.96

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1.5x scale

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.