Home / 1,710,118.60-2,563,485.90-809,978.20

Finding the Fourth Proportional to 1,710,118.60, 2,563,485.90 and 809,978.20

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Solution

The fourth proportional to 1,710,118.60, 2,563,485.90 and 809,978.20 is: 1,214,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,710,118.60 : 2,563,485.90 = 809,978.20 : x
  2. Step 2: Convert to fraction form
    1,710,118.60/2,563,485.90 = 809,978.20/x
  3. Step 3: Cross multiply
    1,710,118.60x = 2,563,485.90 × 809,978.20
  4. Step 4: Simplify right side
    1,710,118.60x = 2,076,367,695,007.38
  5. Step 5: Solve for x
    x = 2,076,367,695,007.38/1,710,118.60
  6. Step 6: Final answer
    x = 1,214,165.90

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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.