Home / 920,026.85-1,380,322.62-471,062.93

Finding the Fourth Proportional to 920,026.85, 1,380,322.62 and 471,062.93

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Solution

The fourth proportional to 920,026.85, 1,380,322.62 and 471,062.93 is: 706,738.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,026.85 : 1,380,322.62 = 471,062.93 : x
  2. Step 2: Convert to fraction form
    920,026.85/1,380,322.62 = 471,062.93/x
  3. Step 3: Cross multiply
    920,026.85x = 1,380,322.62 × 471,062.93
  4. Step 4: Simplify right side
    920,026.85x = 650,218,810,820.86
  5. Step 5: Solve for x
    x = 650,218,810,820.86/920,026.85
  6. Step 6: Final answer
    x = 706,738.95

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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.