Home / 1,045,879.20-1,569,855.60-514,000.80

Finding the Fourth Proportional to 1,045,879.20, 1,569,855.60 and 514,000.80

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Solution

The fourth proportional to 1,045,879.20, 1,569,855.60 and 514,000.80 is: 771,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,045,879.20 : 1,569,855.60 = 514,000.80 : x
  2. Step 2: Convert to fraction form
    1,045,879.20/1,569,855.60 = 514,000.80/x
  3. Step 3: Cross multiply
    1,045,879.20x = 1,569,855.60 × 514,000.80
  4. Step 4: Simplify right side
    1,045,879.20x = 806,907,034,284.48
  5. Step 5: Solve for x
    x = 806,907,034,284.48/1,045,879.20
  6. Step 6: Final answer
    x = 771,510.74

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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.