Home / 1,070,804.88-1,605,694.77-621,649.74

Finding the Fourth Proportional to 1,070,804.88, 1,605,694.77 and 621,649.74

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Solution

The fourth proportional to 1,070,804.88, 1,605,694.77 and 621,649.74 is: 932,177.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,804.88 : 1,605,694.77 = 621,649.74 : x
  2. Step 2: Convert to fraction form
    1,070,804.88/1,605,694.77 = 621,649.74/x
  3. Step 3: Cross multiply
    1,070,804.88x = 1,605,694.77 × 621,649.74
  4. Step 4: Simplify right side
    1,070,804.88x = 998,179,736,289.86
  5. Step 5: Solve for x
    x = 998,179,736,289.86/1,070,804.88
  6. Step 6: Final answer
    x = 932,177.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.