Home / 637,543.85-956,086.07-211,000.95

Finding the Fourth Proportional to 637,543.85, 956,086.07 and 211,000.95

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Solution

The fourth proportional to 637,543.85, 956,086.07 and 211,000.95 is: 316,425.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,543.85 : 956,086.07 = 211,000.95 : x
  2. Step 2: Convert to fraction form
    637,543.85/956,086.07 = 211,000.95/x
  3. Step 3: Cross multiply
    637,543.85x = 956,086.07 × 211,000.95
  4. Step 4: Simplify right side
    637,543.85x = 201,735,067,996.76
  5. Step 5: Solve for x
    x = 201,735,067,996.76/637,543.85
  6. Step 6: Final answer
    x = 316,425.40

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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.