Home / 1,109,315.45-1,530,824.16-625,925.58

Finding the Fourth Proportional to 1,109,315.45, 1,530,824.16 and 625,925.58

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Solution

The fourth proportional to 1,109,315.45, 1,530,824.16 and 625,925.58 is: 863,759.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,315.45 : 1,530,824.16 = 625,925.58 : x
  2. Step 2: Convert to fraction form
    1,109,315.45/1,530,824.16 = 625,925.58/x
  3. Step 3: Cross multiply
    1,109,315.45x = 1,530,824.16 × 625,925.58
  4. Step 4: Simplify right side
    1,109,315.45x = 958,181,996,832.64
  5. Step 5: Solve for x
    x = 958,181,996,832.64/1,109,315.45
  6. Step 6: Final answer
    x = 863,759.71

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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.