Home / 677,220.87-934,375.71-533,534.97

Finding the Fourth Proportional to 677,220.87, 934,375.71 and 533,534.97

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Solution

The fourth proportional to 677,220.87, 934,375.71 and 533,534.97 is: 736,129.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,220.87 : 934,375.71 = 533,534.97 : x
  2. Step 2: Convert to fraction form
    677,220.87/934,375.71 = 533,534.97/x
  3. Step 3: Cross multiply
    677,220.87x = 934,375.71 × 533,534.97
  4. Step 4: Simplify right side
    677,220.87x = 498,522,116,403.58
  5. Step 5: Solve for x
    x = 498,522,116,403.58/677,220.87
  6. Step 6: Final answer
    x = 736,129.29

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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.