Home / 999,206.51-1,378,902.59-563,622.40

Finding the Fourth Proportional to 999,206.51, 1,378,902.59 and 563,622.40

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Solution

The fourth proportional to 999,206.51, 1,378,902.59 and 563,622.40 is: 777,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,206.51 : 1,378,902.59 = 563,622.40 : x
  2. Step 2: Convert to fraction form
    999,206.51/1,378,902.59 = 563,622.40/x
  3. Step 3: Cross multiply
    999,206.51x = 1,378,902.59 × 563,622.40
  4. Step 4: Simplify right side
    999,206.51x = 777,180,388,161.12
  5. Step 5: Solve for x
    x = 777,180,388,161.12/999,206.51
  6. Step 6: Final answer
    x = 777,797.56

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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.