Home / 698,969.62-964,023.30-453,686.23

Finding the Fourth Proportional to 698,969.62, 964,023.30 and 453,686.23

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Solution

The fourth proportional to 698,969.62, 964,023.30 and 453,686.23 is: 625,726.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,969.62 : 964,023.30 = 453,686.23 : x
  2. Step 2: Convert to fraction form
    698,969.62/964,023.30 = 453,686.23/x
  3. Step 3: Cross multiply
    698,969.62x = 964,023.30 × 453,686.23
  4. Step 4: Simplify right side
    698,969.62x = 437,364,089,520.61
  5. Step 5: Solve for x
    x = 437,364,089,520.61/698,969.62
  6. Step 6: Final answer
    x = 625,726.90

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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.