Home / 1,282,811.97-1,770,296.27-709,905.45

Finding the Fourth Proportional to 1,282,811.97, 1,770,296.27 and 709,905.45

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Solution

The fourth proportional to 1,282,811.97, 1,770,296.27 and 709,905.45 is: 979,678.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,811.97 : 1,770,296.27 = 709,905.45 : x
  2. Step 2: Convert to fraction form
    1,282,811.97/1,770,296.27 = 709,905.45/x
  3. Step 3: Cross multiply
    1,282,811.97x = 1,770,296.27 × 709,905.45
  4. Step 4: Simplify right side
    1,282,811.97x = 1,256,742,966,638.14
  5. Step 5: Solve for x
    x = 1,256,742,966,638.14/1,282,811.97
  6. Step 6: Final answer
    x = 979,678.24

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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.