Home / 1,131,068.40-1,697,811.11-457,589.85

Finding the Fourth Proportional to 1,131,068.40, 1,697,811.11 and 457,589.85

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Solution

The fourth proportional to 1,131,068.40, 1,697,811.11 and 457,589.85 is: 686,873.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,068.40 : 1,697,811.11 = 457,589.85 : x
  2. Step 2: Convert to fraction form
    1,131,068.40/1,697,811.11 = 457,589.85/x
  3. Step 3: Cross multiply
    1,131,068.40x = 1,697,811.11 × 457,589.85
  4. Step 4: Simplify right side
    1,131,068.40x = 776,901,131,153.23
  5. Step 5: Solve for x
    x = 776,901,131,153.23/1,131,068.40
  6. Step 6: Final answer
    x = 686,873.69

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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.