Home / 872,168.34-1,203,692.06-485,022.36

Finding the Fourth Proportional to 872,168.34, 1,203,692.06 and 485,022.36

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Solution

The fourth proportional to 872,168.34, 1,203,692.06 and 485,022.36 is: 669,386.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,168.34 : 1,203,692.06 = 485,022.36 : x
  2. Step 2: Convert to fraction form
    872,168.34/1,203,692.06 = 485,022.36/x
  3. Step 3: Cross multiply
    872,168.34x = 1,203,692.06 × 485,022.36
  4. Step 4: Simplify right side
    872,168.34x = 583,817,563,654.46
  5. Step 5: Solve for x
    x = 583,817,563,654.46/872,168.34
  6. Step 6: Final answer
    x = 669,386.33

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1.5x scale

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.