Home / 1,119,951.40-1,679,927.10-1,076,405.80

Finding the Fourth Proportional to 1,119,951.40, 1,679,927.10 and 1,076,405.80

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Solution

The fourth proportional to 1,119,951.40, 1,679,927.10 and 1,076,405.80 is: 1,614,608.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,951.40 : 1,679,927.10 = 1,076,405.80 : x
  2. Step 2: Convert to fraction form
    1,119,951.40/1,679,927.10 = 1,076,405.80/x
  3. Step 3: Cross multiply
    1,119,951.40x = 1,679,927.10 × 1,076,405.80
  4. Step 4: Simplify right side
    1,119,951.40x = 1,808,283,274,017.18
  5. Step 5: Solve for x
    x = 1,808,283,274,017.18/1,119,951.40
  6. Step 6: Final answer
    x = 1,614,608.70

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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.