Home / 1,156,029.53-1,595,287.93-639,805.06

Finding the Fourth Proportional to 1,156,029.53, 1,595,287.93 and 639,805.06

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Solution

The fourth proportional to 1,156,029.53, 1,595,287.93 and 639,805.06 is: 882,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,029.53 : 1,595,287.93 = 639,805.06 : x
  2. Step 2: Convert to fraction form
    1,156,029.53/1,595,287.93 = 639,805.06/x
  3. Step 3: Cross multiply
    1,156,029.53x = 1,595,287.93 × 639,805.06
  4. Step 4: Simplify right side
    1,156,029.53x = 1,020,673,278,595.46
  5. Step 5: Solve for x
    x = 1,020,673,278,595.46/1,156,029.53
  6. Step 6: Final answer
    x = 882,912.81

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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.