Home / 1,036,139.97-1,555,095.65-405,496.65

Finding the Fourth Proportional to 1,036,139.97, 1,555,095.65 and 405,496.65

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Solution

The fourth proportional to 1,036,139.97, 1,555,095.65 and 405,496.65 is: 608,591.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,139.97 : 1,555,095.65 = 405,496.65 : x
  2. Step 2: Convert to fraction form
    1,036,139.97/1,555,095.65 = 405,496.65/x
  3. Step 3: Cross multiply
    1,036,139.97x = 1,555,095.65 × 405,496.65
  4. Step 4: Simplify right side
    1,036,139.97x = 630,586,076,504.57
  5. Step 5: Solve for x
    x = 630,586,076,504.57/1,036,139.97
  6. Step 6: Final answer
    x = 608,591.59

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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.