Home / 698,775.60-1,048,951.80-462,579.60

Finding the Fourth Proportional to 698,775.60, 1,048,951.80 and 462,579.60

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Solution

The fourth proportional to 698,775.60, 1,048,951.80 and 462,579.60 is: 694,391.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,775.60 : 1,048,951.80 = 462,579.60 : x
  2. Step 2: Convert to fraction form
    698,775.60/1,048,951.80 = 462,579.60/x
  3. Step 3: Cross multiply
    698,775.60x = 1,048,951.80 × 462,579.60
  4. Step 4: Simplify right side
    698,775.60x = 485,223,704,063.28
  5. Step 5: Solve for x
    x = 485,223,704,063.28/698,775.60
  6. Step 6: Final answer
    x = 694,391.31

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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.