Home / 1,669,490.24-2,303,900.52-905,543.78

Finding the Fourth Proportional to 1,669,490.24, 2,303,900.52 and 905,543.78

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Solution

The fourth proportional to 1,669,490.24, 2,303,900.52 and 905,543.78 is: 1,249,652.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,669,490.24 : 2,303,900.52 = 905,543.78 : x
  2. Step 2: Convert to fraction form
    1,669,490.24/2,303,900.52 = 905,543.78/x
  3. Step 3: Cross multiply
    1,669,490.24x = 2,303,900.52 × 905,543.78
  4. Step 4: Simplify right side
    1,669,490.24x = 2,086,282,785,624.77
  5. Step 5: Solve for x
    x = 2,086,282,785,624.77/1,669,490.24
  6. Step 6: Final answer
    x = 1,249,652.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.