Home / 1,676,319-2,313,320.22-912,378.03

Finding the Fourth Proportional to 1,676,319, 2,313,320.22 and 912,378.03

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Solution

The fourth proportional to 1,676,319, 2,313,320.22 and 912,378.03 is: 1,259,081.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,319 : 2,313,320.22 = 912,378.03 : x
  2. Step 2: Convert to fraction form
    1,676,319/2,313,320.22 = 912,378.03/x
  3. Step 3: Cross multiply
    1,676,319x = 2,313,320.22 × 912,378.03
  4. Step 4: Simplify right side
    1,676,319x = 2,110,622,545,082.77
  5. Step 5: Solve for x
    x = 2,110,622,545,082.77/1,676,319
  6. Step 6: Final answer
    x = 1,259,081.68

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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.