Home / 945,789.55-1,305,150.03-537,834.76

Finding the Fourth Proportional to 945,789.55, 1,305,150.03 and 537,834.76

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Solution

The fourth proportional to 945,789.55, 1,305,150.03 and 537,834.76 is: 742,189.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,789.55 : 1,305,150.03 = 537,834.76 : x
  2. Step 2: Convert to fraction form
    945,789.55/1,305,150.03 = 537,834.76/x
  3. Step 3: Cross multiply
    945,789.55x = 1,305,150.03 × 537,834.76
  4. Step 4: Simplify right side
    945,789.55x = 701,955,049,886.17
  5. Step 5: Solve for x
    x = 701,955,049,886.17/945,789.55
  6. Step 6: Final answer
    x = 742,189.48

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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.