Home / 1,017,815.40-1,526,723.10-519,114.60

Finding the Fourth Proportional to 1,017,815.40, 1,526,723.10 and 519,114.60

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Solution

The fourth proportional to 1,017,815.40, 1,526,723.10 and 519,114.60 is: 778,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,815.40 : 1,526,723.10 = 519,114.60 : x
  2. Step 2: Convert to fraction form
    1,017,815.40/1,526,723.10 = 519,114.60/x
  3. Step 3: Cross multiply
    1,017,815.40x = 1,526,723.10 × 519,114.60
  4. Step 4: Simplify right side
    1,017,815.40x = 792,544,251,367.26
  5. Step 5: Solve for x
    x = 792,544,251,367.26/1,017,815.40
  6. Step 6: Final answer
    x = 778,671.90

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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.