Home / 1,266,562.80-1,899,844.20-519,145.20

Finding the Fourth Proportional to 1,266,562.80, 1,899,844.20 and 519,145.20

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Solution

The fourth proportional to 1,266,562.80, 1,899,844.20 and 519,145.20 is: 778,717.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,266,562.80 : 1,899,844.20 = 519,145.20 : x
  2. Step 2: Convert to fraction form
    1,266,562.80/1,899,844.20 = 519,145.20/x
  3. Step 3: Cross multiply
    1,266,562.80x = 1,899,844.20 × 519,145.20
  4. Step 4: Simplify right side
    1,266,562.80x = 986,294,997,177.84
  5. Step 5: Solve for x
    x = 986,294,997,177.84/1,266,562.80
  6. Step 6: Final answer
    x = 778,717.80

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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.