Home / 1,171,150.05-1,756,294.78-402,429.76

Finding the Fourth Proportional to 1,171,150.05, 1,756,294.78 and 402,429.76

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Solution

The fourth proportional to 1,171,150.05, 1,756,294.78 and 402,429.76 is: 603,496.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171,150.05 : 1,756,294.78 = 402,429.76 : x
  2. Step 2: Convert to fraction form
    1,171,150.05/1,756,294.78 = 402,429.76/x
  3. Step 3: Cross multiply
    1,171,150.05x = 1,756,294.78 × 402,429.76
  4. Step 4: Simplify right side
    1,171,150.05x = 706,785,286,804.65
  5. Step 5: Solve for x
    x = 706,785,286,804.65/1,171,150.05
  6. Step 6: Final answer
    x = 603,496.78

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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.