Home / 1,116,341.80-1,540,666.07-657,600.73

Finding the Fourth Proportional to 1,116,341.80, 1,540,666.07 and 657,600.73

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Solution

The fourth proportional to 1,116,341.80, 1,540,666.07 and 657,600.73 is: 907,556.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,341.80 : 1,540,666.07 = 657,600.73 : x
  2. Step 2: Convert to fraction form
    1,116,341.80/1,540,666.07 = 657,600.73/x
  3. Step 3: Cross multiply
    1,116,341.80x = 1,540,666.07 × 657,600.73
  4. Step 4: Simplify right side
    1,116,341.80x = 1,013,143,127,644.57
  5. Step 5: Solve for x
    x = 1,013,143,127,644.57/1,116,341.80
  6. Step 6: Final answer
    x = 907,556.39

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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.