Home / 928,688.40-1,393,032.60-609,823.80

Finding the Fourth Proportional to 928,688.40, 1,393,032.60 and 609,823.80

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Solution

The fourth proportional to 928,688.40, 1,393,032.60 and 609,823.80 is: 914,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,688.40 : 1,393,032.60 = 609,823.80 : x
  2. Step 2: Convert to fraction form
    928,688.40/1,393,032.60 = 609,823.80/x
  3. Step 3: Cross multiply
    928,688.40x = 1,393,032.60 × 609,823.80
  4. Step 4: Simplify right side
    928,688.40x = 849,504,433,655.88
  5. Step 5: Solve for x
    x = 849,504,433,655.88/928,688.40
  6. Step 6: Final answer
    x = 914,735.70

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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.