Home / 774,076.37-1,068,252.61-429,918.74

Finding the Fourth Proportional to 774,076.37, 1,068,252.61 and 429,918.74

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Solution

The fourth proportional to 774,076.37, 1,068,252.61 and 429,918.74 is: 593,302.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,076.37 : 1,068,252.61 = 429,918.74 : x
  2. Step 2: Convert to fraction form
    774,076.37/1,068,252.61 = 429,918.74/x
  3. Step 3: Cross multiply
    774,076.37x = 1,068,252.61 × 429,918.74
  4. Step 4: Simplify right side
    774,076.37x = 459,261,809,676.85
  5. Step 5: Solve for x
    x = 459,261,809,676.85/774,076.37
  6. Step 6: Final answer
    x = 593,302.97

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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.