Home / 953,298.27-1,315,231.53-539,778.64

Finding the Fourth Proportional to 953,298.27, 1,315,231.53 and 539,778.64

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Solution

The fourth proportional to 953,298.27, 1,315,231.53 and 539,778.64 is: 744,713.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,298.27 : 1,315,231.53 = 539,778.64 : x
  2. Step 2: Convert to fraction form
    953,298.27/1,315,231.53 = 539,778.64/x
  3. Step 3: Cross multiply
    953,298.27x = 1,315,231.53 × 539,778.64
  4. Step 4: Simplify right side
    953,298.27x = 709,933,879,972.36
  5. Step 5: Solve for x
    x = 709,933,879,972.36/953,298.27
  6. Step 6: Final answer
    x = 744,713.28

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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.