Home / 1,420,687.40-1,960,618.59-808,852.28

Finding the Fourth Proportional to 1,420,687.40, 1,960,618.59 and 808,852.28

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Solution

The fourth proportional to 1,420,687.40, 1,960,618.59 and 808,852.28 is: 1,116,255.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,687.40 : 1,960,618.59 = 808,852.28 : x
  2. Step 2: Convert to fraction form
    1,420,687.40/1,960,618.59 = 808,852.28/x
  3. Step 3: Cross multiply
    1,420,687.40x = 1,960,618.59 × 808,852.28
  4. Step 4: Simplify right side
    1,420,687.40x = 1,585,850,806,928.79
  5. Step 5: Solve for x
    x = 1,585,850,806,928.79/1,420,687.40
  6. Step 6: Final answer
    x = 1,116,255.98

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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.