Home / 1,019,135.64-1,406,434.26-554,020.80

Finding the Fourth Proportional to 1,019,135.64, 1,406,434.26 and 554,020.80

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Solution

The fourth proportional to 1,019,135.64, 1,406,434.26 and 554,020.80 is: 764,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,135.64 : 1,406,434.26 = 554,020.80 : x
  2. Step 2: Convert to fraction form
    1,019,135.64/1,406,434.26 = 554,020.80/x
  3. Step 3: Cross multiply
    1,019,135.64x = 1,406,434.26 × 554,020.80
  4. Step 4: Simplify right side
    1,019,135.64x = 779,193,833,872.61
  5. Step 5: Solve for x
    x = 779,193,833,872.61/1,019,135.64
  6. Step 6: Final answer
    x = 764,563.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.