Home / 1,027,500.80-1,418,521.18-619,705.50

Finding the Fourth Proportional to 1,027,500.80, 1,418,521.18 and 619,705.50

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Solution

The fourth proportional to 1,027,500.80, 1,418,521.18 and 619,705.50 is: 855,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,500.80 : 1,418,521.18 = 619,705.50 : x
  2. Step 2: Convert to fraction form
    1,027,500.80/1,418,521.18 = 619,705.50/x
  3. Step 3: Cross multiply
    1,027,500.80x = 1,418,521.18 × 619,705.50
  4. Step 4: Simplify right side
    1,027,500.80x = 879,065,377,112.49
  5. Step 5: Solve for x
    x = 879,065,377,112.49/1,027,500.80
  6. Step 6: Final answer
    x = 855,537.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.