Home / 1,779,403.32-2,669,178.80-517,230.95

Finding the Fourth Proportional to 1,779,403.32, 2,669,178.80 and 517,230.95

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Solution

The fourth proportional to 1,779,403.32, 2,669,178.80 and 517,230.95 is: 775,867.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,403.32 : 2,669,178.80 = 517,230.95 : x
  2. Step 2: Convert to fraction form
    1,779,403.32/2,669,178.80 = 517,230.95/x
  3. Step 3: Cross multiply
    1,779,403.32x = 2,669,178.80 × 517,230.95
  4. Step 4: Simplify right side
    1,779,403.32x = 1,380,581,870,511.81
  5. Step 5: Solve for x
    x = 1,380,581,870,511.81/1,779,403.32
  6. Step 6: Final answer
    x = 775,867.87

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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.