Home / 868,976.02-1,198,961.76-524,539.72

Finding the Fourth Proportional to 868,976.02, 1,198,961.76 and 524,539.72

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Solution

The fourth proportional to 868,976.02, 1,198,961.76 and 524,539.72 is: 723,728.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,976.02 : 1,198,961.76 = 524,539.72 : x
  2. Step 2: Convert to fraction form
    868,976.02/1,198,961.76 = 524,539.72/x
  3. Step 3: Cross multiply
    868,976.02x = 1,198,961.76 × 524,539.72
  4. Step 4: Simplify right side
    868,976.02x = 628,903,065,881.11
  5. Step 5: Solve for x
    x = 628,903,065,881.11/868,976.02
  6. Step 6: Final answer
    x = 723,728.91

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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.