Home / 1,779,407.32-2,669,184.80-517,234.94

Finding the Fourth Proportional to 1,779,407.32, 2,669,184.80 and 517,234.94

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Solution

The fourth proportional to 1,779,407.32, 2,669,184.80 and 517,234.94 is: 775,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,407.32 : 2,669,184.80 = 517,234.94 : x
  2. Step 2: Convert to fraction form
    1,779,407.32/2,669,184.80 = 517,234.94/x
  3. Step 3: Cross multiply
    1,779,407.32x = 2,669,184.80 × 517,234.94
  4. Step 4: Simplify right side
    1,779,407.32x = 1,380,595,639,876.91
  5. Step 5: Solve for x
    x = 1,380,595,639,876.91/1,779,407.32
  6. Step 6: Final answer
    x = 775,873.87

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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.