Home / 460,704.12-636,164.25-288,911.02

Finding the Fourth Proportional to 460,704.12, 636,164.25 and 288,911.02

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Solution

The fourth proportional to 460,704.12, 636,164.25 and 288,911.02 is: 398,943.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,704.12 : 636,164.25 = 288,911.02 : x
  2. Step 2: Convert to fraction form
    460,704.12/636,164.25 = 288,911.02/x
  3. Step 3: Cross multiply
    460,704.12x = 636,164.25 × 288,911.02
  4. Step 4: Simplify right side
    460,704.12x = 183,794,863,311.70
  5. Step 5: Solve for x
    x = 183,794,863,311.70/460,704.12
  6. Step 6: Final answer
    x = 398,943.39

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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.