Home / 453,905.40-680,858.10-404,916.60

Finding the Fourth Proportional to 453,905.40, 680,858.10 and 404,916.60

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Solution

The fourth proportional to 453,905.40, 680,858.10 and 404,916.60 is: 607,374.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,905.40 : 680,858.10 = 404,916.60 : x
  2. Step 2: Convert to fraction form
    453,905.40/680,858.10 = 404,916.60/x
  3. Step 3: Cross multiply
    453,905.40x = 680,858.10 × 404,916.60
  4. Step 4: Simplify right side
    453,905.40x = 275,690,746,934.46
  5. Step 5: Solve for x
    x = 275,690,746,934.46/453,905.40
  6. Step 6: Final answer
    x = 607,374.90

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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.