Home / 875,821.20-1,311,658.20-593,811.60

Finding the Fourth Proportional to 875,821.20, 1,311,658.20 and 593,811.60

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Solution

The fourth proportional to 875,821.20, 1,311,658.20 and 593,811.60 is: 889,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,821.20 : 1,311,658.20 = 593,811.60 : x
  2. Step 2: Convert to fraction form
    875,821.20/1,311,658.20 = 593,811.60/x
  3. Step 3: Cross multiply
    875,821.20x = 1,311,658.20 × 593,811.60
  4. Step 4: Simplify right side
    875,821.20x = 778,877,854,395.12
  5. Step 5: Solve for x
    x = 778,877,854,395.12/875,821.20
  6. Step 6: Final answer
    x = 889,311.49

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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.