Home / 1,440,911.50-2,161,048.78-416,019.14

Finding the Fourth Proportional to 1,440,911.50, 2,161,048.78 and 416,019.14

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Solution

The fourth proportional to 1,440,911.50, 2,161,048.78 and 416,019.14 is: 623,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,440,911.50 : 2,161,048.78 = 416,019.14 : x
  2. Step 2: Convert to fraction form
    1,440,911.50/2,161,048.78 = 416,019.14/x
  3. Step 3: Cross multiply
    1,440,911.50x = 2,161,048.78 × 416,019.14
  4. Step 4: Simplify right side
    1,440,911.50x = 899,037,654,953.65
  5. Step 5: Solve for x
    x = 899,037,654,953.65/1,440,911.50
  6. Step 6: Final answer
    x = 623,936.76

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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.