Home / 1,286,923.74-1,775,978.22-706,176.82

Finding the Fourth Proportional to 1,286,923.74, 1,775,978.22 and 706,176.82

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Solution

The fourth proportional to 1,286,923.74, 1,775,978.22 and 706,176.82 is: 974,536.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,923.74 : 1,775,978.22 = 706,176.82 : x
  2. Step 2: Convert to fraction form
    1,286,923.74/1,775,978.22 = 706,176.82/x
  3. Step 3: Cross multiply
    1,286,923.74x = 1,775,978.22 × 706,176.82
  4. Step 4: Simplify right side
    1,286,923.74x = 1,254,154,651,788.86
  5. Step 5: Solve for x
    x = 1,254,154,651,788.86/1,286,923.74
  6. Step 6: Final answer
    x = 974,536.88

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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.