Home / 1,338,917.60-1,847,023.08-854,973.92

Finding the Fourth Proportional to 1,338,917.60, 1,847,023.08 and 854,973.92

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Solution

The fourth proportional to 1,338,917.60, 1,847,023.08 and 854,973.92 is: 1,179,427.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,917.60 : 1,847,023.08 = 854,973.92 : x
  2. Step 2: Convert to fraction form
    1,338,917.60/1,847,023.08 = 854,973.92/x
  3. Step 3: Cross multiply
    1,338,917.60x = 1,847,023.08 × 854,973.92
  4. Step 4: Simplify right side
    1,338,917.60x = 1,579,156,563,038.07
  5. Step 5: Solve for x
    x = 1,579,156,563,038.07/1,338,917.60
  6. Step 6: Final answer
    x = 1,179,427.74

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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.