Home / 875,739.60-1,313,512.20-717,692.40

Finding the Fourth Proportional to 875,739.60, 1,313,512.20 and 717,692.40

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Solution

The fourth proportional to 875,739.60, 1,313,512.20 and 717,692.40 is: 1,076,458.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,739.60 : 1,313,512.20 = 717,692.40 : x
  2. Step 2: Convert to fraction form
    875,739.60/1,313,512.20 = 717,692.40/x
  3. Step 3: Cross multiply
    875,739.60x = 1,313,512.20 × 717,692.40
  4. Step 4: Simplify right side
    875,739.60x = 942,697,723,247.28
  5. Step 5: Solve for x
    x = 942,697,723,247.28/875,739.60
  6. Step 6: Final answer
    x = 1,076,458.94

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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.