Home / 958,465.32-1,322,686.47-528,745.34

Finding the Fourth Proportional to 958,465.32, 1,322,686.47 and 528,745.34

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Solution

The fourth proportional to 958,465.32, 1,322,686.47 and 528,745.34 is: 729,670.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,465.32 : 1,322,686.47 = 528,745.34 : x
  2. Step 2: Convert to fraction form
    958,465.32/1,322,686.47 = 528,745.34/x
  3. Step 3: Cross multiply
    958,465.32x = 1,322,686.47 × 528,745.34
  4. Step 4: Simplify right side
    958,465.32x = 699,364,300,680.12
  5. Step 5: Solve for x
    x = 699,364,300,680.12/958,465.32
  6. Step 6: Final answer
    x = 729,670.95

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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.