Home / 1,056,539.90-1,456,407.25-647,883.92

Finding the Fourth Proportional to 1,056,539.90, 1,456,407.25 and 647,883.92

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Solution

The fourth proportional to 1,056,539.90, 1,456,407.25 and 647,883.92 is: 893,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,539.90 : 1,456,407.25 = 647,883.92 : x
  2. Step 2: Convert to fraction form
    1,056,539.90/1,456,407.25 = 647,883.92/x
  3. Step 3: Cross multiply
    1,056,539.90x = 1,456,407.25 × 647,883.92
  4. Step 4: Simplify right side
    1,056,539.90x = 943,582,840,267.73
  5. Step 5: Solve for x
    x = 943,582,840,267.73/1,056,539.90
  6. Step 6: Final answer
    x = 893,087.75

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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.