Home / 1,221,622.28-1,685,918.48-705,397.94

Finding the Fourth Proportional to 1,221,622.28, 1,685,918.48 and 705,397.94

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Solution

The fourth proportional to 1,221,622.28, 1,685,918.48 and 705,397.94 is: 973,495.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,622.28 : 1,685,918.48 = 705,397.94 : x
  2. Step 2: Convert to fraction form
    1,221,622.28/1,685,918.48 = 705,397.94/x
  3. Step 3: Cross multiply
    1,221,622.28x = 1,685,918.48 × 705,397.94
  4. Step 4: Simplify right side
    1,221,622.28x = 1,189,243,410,843.35
  5. Step 5: Solve for x
    x = 1,189,243,410,843.35/1,221,622.28
  6. Step 6: Final answer
    x = 973,495.19

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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.