Home / 535,372.64-738,834.90-293,665.40

Finding the Fourth Proportional to 535,372.64, 738,834.90 and 293,665.40

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Solution

The fourth proportional to 535,372.64, 738,834.90 and 293,665.40 is: 405,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,372.64 : 738,834.90 = 293,665.40 : x
  2. Step 2: Convert to fraction form
    535,372.64/738,834.90 = 293,665.40/x
  3. Step 3: Cross multiply
    535,372.64x = 738,834.90 × 293,665.40
  4. Step 4: Simplify right side
    535,372.64x = 216,970,246,442.46
  5. Step 5: Solve for x
    x = 216,970,246,442.46/535,372.64
  6. Step 6: Final answer
    x = 405,269.58

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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.