Home / 774,021.50-1,068,052.96-429,810.63

Finding the Fourth Proportional to 774,021.50, 1,068,052.96 and 429,810.63

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Solution

The fourth proportional to 774,021.50, 1,068,052.96 and 429,810.63 is: 593,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,021.50 : 1,068,052.96 = 429,810.63 : x
  2. Step 2: Convert to fraction form
    774,021.50/1,068,052.96 = 429,810.63/x
  3. Step 3: Cross multiply
    774,021.50x = 1,068,052.96 × 429,810.63
  4. Step 4: Simplify right side
    774,021.50x = 459,060,515,610.97
  5. Step 5: Solve for x
    x = 459,060,515,610.97/774,021.50
  6. Step 6: Final answer
    x = 593,084.97

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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.