Home / 1,628,020.59-2,443,494.55-870,509.56

Finding the Fourth Proportional to 1,628,020.59, 2,443,494.55 and 870,509.56

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Solution

The fourth proportional to 1,628,020.59, 2,443,494.55 and 870,509.56 is: 1,306,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,020.59 : 2,443,494.55 = 870,509.56 : x
  2. Step 2: Convert to fraction form
    1,628,020.59/2,443,494.55 = 870,509.56/x
  3. Step 3: Cross multiply
    1,628,020.59x = 2,443,494.55 × 870,509.56
  4. Step 4: Simplify right side
    1,628,020.59x = 2,127,085,356,639.32
  5. Step 5: Solve for x
    x = 2,127,085,356,639.32/1,628,020.59
  6. Step 6: Final answer
    x = 1,306,546.96

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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.