Home / 611,457.73-917,185.38-162,223.63

Finding the Fourth Proportional to 611,457.73, 917,185.38 and 162,223.63

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Solution

The fourth proportional to 611,457.73, 917,185.38 and 162,223.63 is: 243,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,457.73 : 917,185.38 = 162,223.63 : x
  2. Step 2: Convert to fraction form
    611,457.73/917,185.38 = 162,223.63/x
  3. Step 3: Cross multiply
    611,457.73x = 917,185.38 × 162,223.63
  4. Step 4: Simplify right side
    611,457.73x = 148,789,138,825.23
  5. Step 5: Solve for x
    x = 148,789,138,825.23/611,457.73
  6. Step 6: Final answer
    x = 243,335.12

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1.5x scale

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.