Home / 1,585,864.44-2,378,125.98-638,980.92

Finding the Fourth Proportional to 1,585,864.44, 2,378,125.98 and 638,980.92

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Solution

The fourth proportional to 1,585,864.44, 2,378,125.98 and 638,980.92 is: 958,201.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,864.44 : 2,378,125.98 = 638,980.92 : x
  2. Step 2: Convert to fraction form
    1,585,864.44/2,378,125.98 = 638,980.92/x
  3. Step 3: Cross multiply
    1,585,864.44x = 2,378,125.98 × 638,980.92
  4. Step 4: Simplify right side
    1,585,864.44x = 1,519,577,126,576.30
  5. Step 5: Solve for x
    x = 1,519,577,126,576.30/1,585,864.44
  6. Step 6: Final answer
    x = 958,201.15

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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.