Home / 1,304,815.80-1,954,890.90-1,066,870.20

Finding the Fourth Proportional to 1,304,815.80, 1,954,890.90 and 1,066,870.20

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Solution

The fourth proportional to 1,304,815.80, 1,954,890.90 and 1,066,870.20 is: 1,598,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,815.80 : 1,954,890.90 = 1,066,870.20 : x
  2. Step 2: Convert to fraction form
    1,304,815.80/1,954,890.90 = 1,066,870.20/x
  3. Step 3: Cross multiply
    1,304,815.80x = 1,954,890.90 × 1,066,870.20
  4. Step 4: Simplify right side
    1,304,815.80x = 2,085,614,845,461.18
  5. Step 5: Solve for x
    x = 2,085,614,845,461.18/1,304,815.80
  6. Step 6: Final answer
    x = 1,598,397.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.