Home / 1,344,186.72-2,016,329.10-445,707.06

Finding the Fourth Proportional to 1,344,186.72, 2,016,329.10 and 445,707.06

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Solution

The fourth proportional to 1,344,186.72, 2,016,329.10 and 445,707.06 is: 668,576.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,186.72 : 2,016,329.10 = 445,707.06 : x
  2. Step 2: Convert to fraction form
    1,344,186.72/2,016,329.10 = 445,707.06/x
  3. Step 3: Cross multiply
    1,344,186.72x = 2,016,329.10 × 445,707.06
  4. Step 4: Simplify right side
    1,344,186.72x = 898,692,115,153.45
  5. Step 5: Solve for x
    x = 898,692,115,153.45/1,344,186.72
  6. Step 6: Final answer
    x = 668,576.84

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Double scale
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Similar ratio
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1.5x scale

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.