Home / 1,435,939.05-2,153,931.05-425,163.54

Finding the Fourth Proportional to 1,435,939.05, 2,153,931.05 and 425,163.54

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Solution

The fourth proportional to 1,435,939.05, 2,153,931.05 and 425,163.54 is: 637,751.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,939.05 : 2,153,931.05 = 425,163.54 : x
  2. Step 2: Convert to fraction form
    1,435,939.05/2,153,931.05 = 425,163.54/x
  3. Step 3: Cross multiply
    1,435,939.05x = 2,153,931.05 × 425,163.54
  4. Step 4: Simplify right side
    1,435,939.05x = 915,772,950,133.92
  5. Step 5: Solve for x
    x = 915,772,950,133.92/1,435,939.05
  6. Step 6: Final answer
    x = 637,751.96

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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.