Home / 957,723.60-1,321,642.80-528,043.71

Finding the Fourth Proportional to 957,723.60, 1,321,642.80 and 528,043.71

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Solution

The fourth proportional to 957,723.60, 1,321,642.80 and 528,043.71 is: 728,691.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,723.60 : 1,321,642.80 = 528,043.71 : x
  2. Step 2: Convert to fraction form
    957,723.60/1,321,642.80 = 528,043.71/x
  3. Step 3: Cross multiply
    957,723.60x = 1,321,642.80 × 528,043.71
  4. Step 4: Simplify right side
    957,723.60x = 697,885,167,406.79
  5. Step 5: Solve for x
    x = 697,885,167,406.79/957,723.60
  6. Step 6: Final answer
    x = 728,691.63

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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.