Home / 958,587.01-1,322,854.34-528,879.78

Finding the Fourth Proportional to 958,587.01, 1,322,854.34 and 528,879.78

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Solution

The fourth proportional to 958,587.01, 1,322,854.34 and 528,879.78 is: 729,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,587.01 : 1,322,854.34 = 528,879.78 : x
  2. Step 2: Convert to fraction form
    958,587.01/1,322,854.34 = 528,879.78/x
  3. Step 3: Cross multiply
    958,587.01x = 1,322,854.34 × 528,879.78
  4. Step 4: Simplify right side
    958,587.01x = 699,630,909,666.85
  5. Step 5: Solve for x
    x = 699,630,909,666.85/958,587.01
  6. Step 6: Final answer
    x = 729,856.45

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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.