Home / 1,160,218.79-1,601,198.37-644,021.18

Finding the Fourth Proportional to 1,160,218.79, 1,601,198.37 and 644,021.18

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Solution

The fourth proportional to 1,160,218.79, 1,601,198.37 and 644,021.18 is: 888,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,218.79 : 1,601,198.37 = 644,021.18 : x
  2. Step 2: Convert to fraction form
    1,160,218.79/1,601,198.37 = 644,021.18/x
  3. Step 3: Cross multiply
    1,160,218.79x = 1,601,198.37 × 644,021.18
  4. Step 4: Simplify right side
    1,160,218.79x = 1,031,205,655,655.48
  5. Step 5: Solve for x
    x = 1,031,205,655,655.48/1,160,218.79
  6. Step 6: Final answer
    x = 888,802.76

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1.5x scale

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.