Home / 710,938.88-981,096.48-409,133.12

Finding the Fourth Proportional to 710,938.88, 981,096.48 and 409,133.12

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Solution

The fourth proportional to 710,938.88, 981,096.48 and 409,133.12 is: 564,604.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,938.88 : 981,096.48 = 409,133.12 : x
  2. Step 2: Convert to fraction form
    710,938.88/981,096.48 = 409,133.12/x
  3. Step 3: Cross multiply
    710,938.88x = 981,096.48 × 409,133.12
  4. Step 4: Simplify right side
    710,938.88x = 401,399,063,883.42
  5. Step 5: Solve for x
    x = 401,399,063,883.42/710,938.88
  6. Step 6: Final answer
    x = 564,604.18

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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.