Home / 1,060,877.12-1,464,200.16-678,890.84

Finding the Fourth Proportional to 1,060,877.12, 1,464,200.16 and 678,890.84

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Solution

The fourth proportional to 1,060,877.12, 1,464,200.16 and 678,890.84 is: 936,990.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,060,877.12 : 1,464,200.16 = 678,890.84 : x
  2. Step 2: Convert to fraction form
    1,060,877.12/1,464,200.16 = 678,890.84/x
  3. Step 3: Cross multiply
    1,060,877.12x = 1,464,200.16 × 678,890.84
  4. Step 4: Simplify right side
    1,060,877.12x = 994,032,076,550.53
  5. Step 5: Solve for x
    x = 994,032,076,550.53/1,060,877.12
  6. Step 6: Final answer
    x = 936,990.78

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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.