Home / 1,694,635.72-2,338,587.86-920,259.11

Finding the Fourth Proportional to 1,694,635.72, 2,338,587.86 and 920,259.11

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Solution

The fourth proportional to 1,694,635.72, 2,338,587.86 and 920,259.11 is: 1,269,952.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,694,635.72 : 2,338,587.86 = 920,259.11 : x
  2. Step 2: Convert to fraction form
    1,694,635.72/2,338,587.86 = 920,259.11/x
  3. Step 3: Cross multiply
    1,694,635.72x = 2,338,587.86 × 920,259.11
  4. Step 4: Simplify right side
    1,694,635.72x = 2,152,106,783,945.58
  5. Step 5: Solve for x
    x = 2,152,106,783,945.58/1,694,635.72
  6. Step 6: Final answer
    x = 1,269,952.45

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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.