Home / 366,839.40-550,259.10-317,631.90

Finding the Fourth Proportional to 366,839.40, 550,259.10 and 317,631.90

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Solution

The fourth proportional to 366,839.40, 550,259.10 and 317,631.90 is: 476,447.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,839.40 : 550,259.10 = 317,631.90 : x
  2. Step 2: Convert to fraction form
    366,839.40/550,259.10 = 317,631.90/x
  3. Step 3: Cross multiply
    366,839.40x = 550,259.10 × 317,631.90
  4. Step 4: Simplify right side
    366,839.40x = 174,779,843,425.29
  5. Step 5: Solve for x
    x = 174,779,843,425.29/366,839.40
  6. Step 6: Final answer
    x = 476,447.85

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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.