Home / 1,051,712.70-1,578,605.85-519,834.30

Finding the Fourth Proportional to 1,051,712.70, 1,578,605.85 and 519,834.30

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Solution

The fourth proportional to 1,051,712.70, 1,578,605.85 and 519,834.30 is: 780,263.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,712.70 : 1,578,605.85 = 519,834.30 : x
  2. Step 2: Convert to fraction form
    1,051,712.70/1,578,605.85 = 519,834.30/x
  3. Step 3: Cross multiply
    1,051,712.70x = 1,578,605.85 × 519,834.30
  4. Step 4: Simplify right side
    1,051,712.70x = 820,613,467,010.66
  5. Step 5: Solve for x
    x = 820,613,467,010.66/1,051,712.70
  6. Step 6: Final answer
    x = 780,263.91

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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.