Home / 649,251.70-973,877.55-383,139.70

Finding the Fourth Proportional to 649,251.70, 973,877.55 and 383,139.70

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Solution

The fourth proportional to 649,251.70, 973,877.55 and 383,139.70 is: 574,709.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,251.70 : 973,877.55 = 383,139.70 : x
  2. Step 2: Convert to fraction form
    649,251.70/973,877.55 = 383,139.70/x
  3. Step 3: Cross multiply
    649,251.70x = 973,877.55 × 383,139.70
  4. Step 4: Simplify right side
    649,251.70x = 373,131,152,343.74
  5. Step 5: Solve for x
    x = 373,131,152,343.74/649,251.70
  6. Step 6: Final answer
    x = 574,709.55

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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.