Home / 443,316.73-611,777.78-252,330.13

Finding the Fourth Proportional to 443,316.73, 611,777.78 and 252,330.13

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Solution

The fourth proportional to 443,316.73, 611,777.78 and 252,330.13 is: 348,215.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,316.73 : 611,777.78 = 252,330.13 : x
  2. Step 2: Convert to fraction form
    443,316.73/611,777.78 = 252,330.13/x
  3. Step 3: Cross multiply
    443,316.73x = 611,777.78 × 252,330.13
  4. Step 4: Simplify right side
    443,316.73x = 154,369,966,758.51
  5. Step 5: Solve for x
    x = 154,369,966,758.51/443,316.73
  6. Step 6: Final answer
    x = 348,215.97

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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.