Home / 816,110.70-1,224,166.05-516,929.10

Finding the Fourth Proportional to 816,110.70, 1,224,166.05 and 516,929.10

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Solution

The fourth proportional to 816,110.70, 1,224,166.05 and 516,929.10 is: 775,393.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,110.70 : 1,224,166.05 = 516,929.10 : x
  2. Step 2: Convert to fraction form
    816,110.70/1,224,166.05 = 516,929.10/x
  3. Step 3: Cross multiply
    816,110.70x = 1,224,166.05 × 516,929.10
  4. Step 4: Simplify right side
    816,110.70x = 632,807,054,477.06
  5. Step 5: Solve for x
    x = 632,807,054,477.06/816,110.70
  6. Step 6: Final answer
    x = 775,393.65

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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.