Home / 812,577.77-1,219,030.67-559,979.27

Finding the Fourth Proportional to 812,577.77, 1,219,030.67 and 559,979.27

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Solution

The fourth proportional to 812,577.77, 1,219,030.67 and 559,979.27 is: 840,081.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,577.77 : 1,219,030.67 = 559,979.27 : x
  2. Step 2: Convert to fraction form
    812,577.77/1,219,030.67 = 559,979.27/x
  3. Step 3: Cross multiply
    812,577.77x = 1,219,030.67 × 559,979.27
  4. Step 4: Simplify right side
    812,577.77x = 682,631,899,999.01
  5. Step 5: Solve for x
    x = 682,631,899,999.01/812,577.77
  6. Step 6: Final answer
    x = 840,081.93

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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.