Home / 639,964.80-957,614.40-583,977.60

Finding the Fourth Proportional to 639,964.80, 957,614.40 and 583,977.60

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Solution

The fourth proportional to 639,964.80, 957,614.40 and 583,977.60 is: 873,837.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,964.80 : 957,614.40 = 583,977.60 : x
  2. Step 2: Convert to fraction form
    639,964.80/957,614.40 = 583,977.60/x
  3. Step 3: Cross multiply
    639,964.80x = 957,614.40 × 583,977.60
  4. Step 4: Simplify right side
    639,964.80x = 559,225,359,037.44
  5. Step 5: Solve for x
    x = 559,225,359,037.44/639,964.80
  6. Step 6: Final answer
    x = 873,837.68

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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.