Home / 984,077.80-1,475,187.90-534,135.40

Finding the Fourth Proportional to 984,077.80, 1,475,187.90 and 534,135.40

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Solution

The fourth proportional to 984,077.80, 1,475,187.90 and 534,135.40 is: 800,698.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,077.80 : 1,475,187.90 = 534,135.40 : x
  2. Step 2: Convert to fraction form
    984,077.80/1,475,187.90 = 534,135.40/x
  3. Step 3: Cross multiply
    984,077.80x = 1,475,187.90 × 534,135.40
  4. Step 4: Simplify right side
    984,077.80x = 787,950,079,041.66
  5. Step 5: Solve for x
    x = 787,950,079,041.66/984,077.80
  6. Step 6: Final answer
    x = 800,698.97

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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.