Home / 1,261,666.38-1,892,526.16-452,103.54

Finding the Fourth Proportional to 1,261,666.38, 1,892,526.16 and 452,103.54

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Solution

The fourth proportional to 1,261,666.38, 1,892,526.16 and 452,103.54 is: 678,164.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,666.38 : 1,892,526.16 = 452,103.54 : x
  2. Step 2: Convert to fraction form
    1,261,666.38/1,892,526.16 = 452,103.54/x
  3. Step 3: Cross multiply
    1,261,666.38x = 1,892,526.16 × 452,103.54
  4. Step 4: Simplify right side
    1,261,666.38x = 855,617,776,478.61
  5. Step 5: Solve for x
    x = 855,617,776,478.61/1,261,666.38
  6. Step 6: Final answer
    x = 678,164.84

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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.