Home / 1,226,630.07-1,692,768.65-682,771.77

Finding the Fourth Proportional to 1,226,630.07, 1,692,768.65 and 682,771.77

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Solution

The fourth proportional to 1,226,630.07, 1,692,768.65 and 682,771.77 is: 942,235.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,630.07 : 1,692,768.65 = 682,771.77 : x
  2. Step 2: Convert to fraction form
    1,226,630.07/1,692,768.65 = 682,771.77/x
  3. Step 3: Cross multiply
    1,226,630.07x = 1,692,768.65 × 682,771.77
  4. Step 4: Simplify right side
    1,226,630.07x = 1,155,774,643,947.15
  5. Step 5: Solve for x
    x = 1,155,774,643,947.15/1,226,630.07
  6. Step 6: Final answer
    x = 942,235.70

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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.