Home / 1,070,392.04-1,606,958.21-919,554.14

Finding the Fourth Proportional to 1,070,392.04, 1,606,958.21 and 919,554.14

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Solution

The fourth proportional to 1,070,392.04, 1,606,958.21 and 919,554.14 is: 1,380,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,392.04 : 1,606,958.21 = 919,554.14 : x
  2. Step 2: Convert to fraction form
    1,070,392.04/1,606,958.21 = 919,554.14/x
  3. Step 3: Cross multiply
    1,070,392.04x = 1,606,958.21 × 919,554.14
  4. Step 4: Simplify right side
    1,070,392.04x = 1,477,685,074,812.49
  5. Step 5: Solve for x
    x = 1,477,685,074,812.49/1,070,392.04
  6. Step 6: Final answer
    x = 1,380,508.28

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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.