Home / 1,205,313.95-1,807,912.51-447,303.20

Finding the Fourth Proportional to 1,205,313.95, 1,807,912.51 and 447,303.20

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Solution

The fourth proportional to 1,205,313.95, 1,807,912.51 and 447,303.20 is: 670,933.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,313.95 : 1,807,912.51 = 447,303.20 : x
  2. Step 2: Convert to fraction form
    1,205,313.95/1,807,912.51 = 447,303.20/x
  3. Step 3: Cross multiply
    1,205,313.95x = 1,807,912.51 × 447,303.20
  4. Step 4: Simplify right side
    1,205,313.95x = 808,685,040,885.21
  5. Step 5: Solve for x
    x = 808,685,040,885.21/1,205,313.95
  6. Step 6: Final answer
    x = 670,933.11

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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.