Home / 571,871.07-789,276.69-317,304.27

Finding the Fourth Proportional to 571,871.07, 789,276.69 and 317,304.27

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Solution

The fourth proportional to 571,871.07, 789,276.69 and 317,304.27 is: 437,932.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,871.07 : 789,276.69 = 317,304.27 : x
  2. Step 2: Convert to fraction form
    571,871.07/789,276.69 = 317,304.27/x
  3. Step 3: Cross multiply
    571,871.07x = 789,276.69 × 317,304.27
  4. Step 4: Simplify right side
    571,871.07x = 250,440,863,948.47
  5. Step 5: Solve for x
    x = 250,440,863,948.47/571,871.07
  6. Step 6: Final answer
    x = 437,932.39

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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.