Home / 1,109,318.46-1,530,828.30-625,928.58

Finding the Fourth Proportional to 1,109,318.46, 1,530,828.30 and 625,928.58

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Solution

The fourth proportional to 1,109,318.46, 1,530,828.30 and 625,928.58 is: 863,763.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,318.46 : 1,530,828.30 = 625,928.58 : x
  2. Step 2: Convert to fraction form
    1,109,318.46/1,530,828.30 = 625,928.58/x
  3. Step 3: Cross multiply
    1,109,318.46x = 1,530,828.30 × 625,928.58
  4. Step 4: Simplify right side
    1,109,318.46x = 958,189,184,042.81
  5. Step 5: Solve for x
    x = 958,189,184,042.81/1,109,318.46
  6. Step 6: Final answer
    x = 863,763.85

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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.