Home / 3,072,012.32-4,239,379.68-1,713,885.76

Finding the Fourth Proportional to 3,072,012.32, 4,239,379.68 and 1,713,885.76

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Solution

The fourth proportional to 3,072,012.32, 4,239,379.68 and 1,713,885.76 is: 2,365,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072,012.32 : 4,239,379.68 = 1,713,885.76 : x
  2. Step 2: Convert to fraction form
    3,072,012.32/4,239,379.68 = 1,713,885.76/x
  3. Step 3: Cross multiply
    3,072,012.32x = 4,239,379.68 × 1,713,885.76
  4. Step 4: Simplify right side
    3,072,012.32x = 7,265,812,464,785.36
  5. Step 5: Solve for x
    x = 7,265,812,464,785.36/3,072,012.32
  6. Step 6: Final answer
    x = 2,365,163.84

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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.