Home / 1,265,826.80-1,898,748.12-517,872.80

Finding the Fourth Proportional to 1,265,826.80, 1,898,748.12 and 517,872.80

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Solution

The fourth proportional to 1,265,826.80, 1,898,748.12 and 517,872.80 is: 776,812.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,826.80 : 1,898,748.12 = 517,872.80 : x
  2. Step 2: Convert to fraction form
    1,265,826.80/1,898,748.12 = 517,872.80/x
  3. Step 3: Cross multiply
    1,265,826.80x = 1,898,748.12 × 517,872.80
  4. Step 4: Simplify right side
    1,265,826.80x = 983,310,005,399.14
  5. Step 5: Solve for x
    x = 983,310,005,399.14/1,265,826.80
  6. Step 6: Final answer
    x = 776,812.44

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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.