Home / 1,668,104.96-2,300,159.04-1,239,180.80

Finding the Fourth Proportional to 1,668,104.96, 2,300,159.04 and 1,239,180.80

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Solution

The fourth proportional to 1,668,104.96, 2,300,159.04 and 1,239,180.80 is: 1,708,713.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,104.96 : 2,300,159.04 = 1,239,180.80 : x
  2. Step 2: Convert to fraction form
    1,668,104.96/2,300,159.04 = 1,239,180.80/x
  3. Step 3: Cross multiply
    1,668,104.96x = 2,300,159.04 × 1,239,180.80
  4. Step 4: Simplify right side
    1,668,104.96x = 2,850,312,919,314.43
  5. Step 5: Solve for x
    x = 2,850,312,919,314.43/1,668,104.96
  6. Step 6: Final answer
    x = 1,708,713.17

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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.