Home / 497,688.92-746,822.10-209,479.04

Finding the Fourth Proportional to 497,688.92, 746,822.10 and 209,479.04

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Solution

The fourth proportional to 497,688.92, 746,822.10 and 209,479.04 is: 314,340.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,688.92 : 746,822.10 = 209,479.04 : x
  2. Step 2: Convert to fraction form
    497,688.92/746,822.10 = 209,479.04/x
  3. Step 3: Cross multiply
    497,688.92x = 746,822.10 × 209,479.04
  4. Step 4: Simplify right side
    497,688.92x = 156,443,576,558.78
  5. Step 5: Solve for x
    x = 156,443,576,558.78/497,688.92
  6. Step 6: Final answer
    x = 314,340.08

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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.