Home / 4,920,653.70-7,380,980.55-3,925,325.70

Finding the Fourth Proportional to 4,920,653.70, 7,380,980.55 and 3,925,325.70

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Solution

The fourth proportional to 4,920,653.70, 7,380,980.55 and 3,925,325.70 is: 5,887,988.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920,653.70 : 7,380,980.55 = 3,925,325.70 : x
  2. Step 2: Convert to fraction form
    4,920,653.70/7,380,980.55 = 3,925,325.70/x
  3. Step 3: Cross multiply
    4,920,653.70x = 7,380,980.55 × 3,925,325.70
  4. Step 4: Simplify right side
    4,920,653.70x = 28,972,752,644,115.14
  5. Step 5: Solve for x
    x = 28,972,752,644,115.14/4,920,653.70
  6. Step 6: Final answer
    x = 5,887,988.55

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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.