Home / 698,834.52-963,112.68-507,515.76

Finding the Fourth Proportional to 698,834.52, 963,112.68 and 507,515.76

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Solution

The fourth proportional to 698,834.52, 963,112.68 and 507,515.76 is: 699,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,834.52 : 963,112.68 = 507,515.76 : x
  2. Step 2: Convert to fraction form
    698,834.52/963,112.68 = 507,515.76/x
  3. Step 3: Cross multiply
    698,834.52x = 963,112.68 × 507,515.76
  4. Step 4: Simplify right side
    698,834.52x = 488,794,863,755.84
  5. Step 5: Solve for x
    x = 488,794,863,755.84/698,834.52
  6. Step 6: Final answer
    x = 699,442.93

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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.