Home / 676,280.40-934,239.06-540,135.60

Finding the Fourth Proportional to 676,280.40, 934,239.06 and 540,135.60

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Solution

The fourth proportional to 676,280.40, 934,239.06 and 540,135.60 is: 746,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,280.40 : 934,239.06 = 540,135.60 : x
  2. Step 2: Convert to fraction form
    676,280.40/934,239.06 = 540,135.60/x
  3. Step 3: Cross multiply
    676,280.40x = 934,239.06 × 540,135.60
  4. Step 4: Simplify right side
    676,280.40x = 504,615,775,216.54
  5. Step 5: Solve for x
    x = 504,615,775,216.54/676,280.40
  6. Step 6: Final answer
    x = 746,163.54

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1.5x scale

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.