Home / 535,743.10-802,958.55-235,905.40

Finding the Fourth Proportional to 535,743.10, 802,958.55 and 235,905.40

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Solution

The fourth proportional to 535,743.10, 802,958.55 and 235,905.40 is: 353,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,743.10 : 802,958.55 = 235,905.40 : x
  2. Step 2: Convert to fraction form
    535,743.10/802,958.55 = 235,905.40/x
  3. Step 3: Cross multiply
    535,743.10x = 802,958.55 × 235,905.40
  4. Step 4: Simplify right side
    535,743.10x = 189,422,257,921.17
  5. Step 5: Solve for x
    x = 189,422,257,921.17/535,743.10
  6. Step 6: Final answer
    x = 353,569.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.