Home / 842,345.52-1,162,419.55-460,375.03

Finding the Fourth Proportional to 842,345.52, 1,162,419.55 and 460,375.03

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Solution

The fourth proportional to 842,345.52, 1,162,419.55 and 460,375.03 is: 635,308.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,345.52 : 1,162,419.55 = 460,375.03 : x
  2. Step 2: Convert to fraction form
    842,345.52/1,162,419.55 = 460,375.03/x
  3. Step 3: Cross multiply
    842,345.52x = 1,162,419.55 × 460,375.03
  4. Step 4: Simplify right side
    842,345.52x = 535,148,935,203.84
  5. Step 5: Solve for x
    x = 535,148,935,203.84/842,345.52
  6. Step 6: Final answer
    x = 635,308.10

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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.