Home / 1,119,516.21-1,678,280.07-436,244.86

Finding the Fourth Proportional to 1,119,516.21, 1,678,280.07 and 436,244.86

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Solution

The fourth proportional to 1,119,516.21, 1,678,280.07 and 436,244.86 is: 653,979.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,516.21 : 1,678,280.07 = 436,244.86 : x
  2. Step 2: Convert to fraction form
    1,119,516.21/1,678,280.07 = 436,244.86/x
  3. Step 3: Cross multiply
    1,119,516.21x = 1,678,280.07 × 436,244.86
  4. Step 4: Simplify right side
    1,119,516.21x = 732,141,054,177.94
  5. Step 5: Solve for x
    x = 732,141,054,177.94/1,119,516.21
  6. Step 6: Final answer
    x = 653,979.86

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Double scale
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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.