Home / 626,567.10-939,850.65-205,856.70

Finding the Fourth Proportional to 626,567.10, 939,850.65 and 205,856.70

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Solution

The fourth proportional to 626,567.10, 939,850.65 and 205,856.70 is: 308,785.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,567.10 : 939,850.65 = 205,856.70 : x
  2. Step 2: Convert to fraction form
    626,567.10/939,850.65 = 205,856.70/x
  3. Step 3: Cross multiply
    626,567.10x = 939,850.65 × 205,856.70
  4. Step 4: Simplify right side
    626,567.10x = 193,474,553,301.86
  5. Step 5: Solve for x
    x = 193,474,553,301.86/626,567.10
  6. Step 6: Final answer
    x = 308,785.05

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Double scale
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Similar ratio
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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.