Home / 1,076,539.80-1,612,865.70-626,892.60

Finding the Fourth Proportional to 1,076,539.80, 1,612,865.70 and 626,892.60

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Solution

The fourth proportional to 1,076,539.80, 1,612,865.70 and 626,892.60 is: 939,206.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,539.80 : 1,612,865.70 = 626,892.60 : x
  2. Step 2: Convert to fraction form
    1,076,539.80/1,612,865.70 = 626,892.60/x
  3. Step 3: Cross multiply
    1,076,539.80x = 1,612,865.70 × 626,892.60
  4. Step 4: Simplify right side
    1,076,539.80x = 1,011,093,572,123.82
  5. Step 5: Solve for x
    x = 1,011,093,572,123.82/1,076,539.80
  6. Step 6: Final answer
    x = 939,206.87

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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.