Home / 1,221,622.29-1,685,918.49-705,397.95

Finding the Fourth Proportional to 1,221,622.29, 1,685,918.49 and 705,397.95

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Solution

The fourth proportional to 1,221,622.29, 1,685,918.49 and 705,397.95 is: 973,495.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,622.29 : 1,685,918.49 = 705,397.95 : x
  2. Step 2: Convert to fraction form
    1,221,622.29/1,685,918.49 = 705,397.95/x
  3. Step 3: Cross multiply
    1,221,622.29x = 1,685,918.49 × 705,397.95
  4. Step 4: Simplify right side
    1,221,622.29x = 1,189,243,446,713.10
  5. Step 5: Solve for x
    x = 1,189,243,446,713.10/1,221,622.29
  6. Step 6: Final answer
    x = 973,495.21

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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.