Home / 607,455.20-911,182.80-465,737.60

Finding the Fourth Proportional to 607,455.20, 911,182.80 and 465,737.60

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Solution

The fourth proportional to 607,455.20, 911,182.80 and 465,737.60 is: 698,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,455.20 : 911,182.80 = 465,737.60 : x
  2. Step 2: Convert to fraction form
    607,455.20/911,182.80 = 465,737.60/x
  3. Step 3: Cross multiply
    607,455.20x = 911,182.80 × 465,737.60
  4. Step 4: Simplify right side
    607,455.20x = 424,372,090,433.28
  5. Step 5: Solve for x
    x = 424,372,090,433.28/607,455.20
  6. Step 6: Final answer
    x = 698,606.40

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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.