Home / 992,025.34-1,485,514.02-654,040.55

Finding the Fourth Proportional to 992,025.34, 1,485,514.02 and 654,040.55

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Solution

The fourth proportional to 992,025.34, 1,485,514.02 and 654,040.55 is: 979,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,025.34 : 1,485,514.02 = 654,040.55 : x
  2. Step 2: Convert to fraction form
    992,025.34/1,485,514.02 = 654,040.55/x
  3. Step 3: Cross multiply
    992,025.34x = 1,485,514.02 × 654,040.55
  4. Step 4: Simplify right side
    992,025.34x = 971,586,404,063.25
  5. Step 5: Solve for x
    x = 971,586,404,063.25/992,025.34
  6. Step 6: Final answer
    x = 979,396.76

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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.