Home / 1,205,319.08-1,807,920.19-447,308.32

Finding the Fourth Proportional to 1,205,319.08, 1,807,920.19 and 447,308.32

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Solution

The fourth proportional to 1,205,319.08, 1,807,920.19 and 447,308.32 is: 670,940.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,319.08 : 1,807,920.19 = 447,308.32 : x
  2. Step 2: Convert to fraction form
    1,205,319.08/1,807,920.19 = 447,308.32/x
  3. Step 3: Cross multiply
    1,205,319.08x = 1,807,920.19 × 447,308.32
  4. Step 4: Simplify right side
    1,205,319.08x = 808,697,742,882.98
  5. Step 5: Solve for x
    x = 808,697,742,882.98/1,205,319.08
  6. Step 6: Final answer
    x = 670,940.80

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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.