Home / 1,013,904.60-1,399,041.90-561,194.52

Finding the Fourth Proportional to 1,013,904.60, 1,399,041.90 and 561,194.52

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Solution

The fourth proportional to 1,013,904.60, 1,399,041.90 and 561,194.52 is: 774,367.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,904.60 : 1,399,041.90 = 561,194.52 : x
  2. Step 2: Convert to fraction form
    1,013,904.60/1,399,041.90 = 561,194.52/x
  3. Step 3: Cross multiply
    1,013,904.60x = 1,399,041.90 × 561,194.52
  4. Step 4: Simplify right side
    1,013,904.60x = 785,134,647,530.39
  5. Step 5: Solve for x
    x = 785,134,647,530.39/1,013,904.60
  6. Step 6: Final answer
    x = 774,367.38

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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.