Home / 621,118.79-931,013.87-283,653.75

Finding the Fourth Proportional to 621,118.79, 931,013.87 and 283,653.75

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Solution

The fourth proportional to 621,118.79, 931,013.87 and 283,653.75 is: 425,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,118.79 : 931,013.87 = 283,653.75 : x
  2. Step 2: Convert to fraction form
    621,118.79/931,013.87 = 283,653.75/x
  3. Step 3: Cross multiply
    621,118.79x = 931,013.87 × 283,653.75
  4. Step 4: Simplify right side
    621,118.79x = 264,085,574,109.24
  5. Step 5: Solve for x
    x = 264,085,574,109.24/621,118.79
  6. Step 6: Final answer
    x = 425,177.25

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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.