Home / 1,334,053.80-1,998,983.93-1,031,189.40

Finding the Fourth Proportional to 1,334,053.80, 1,998,983.93 and 1,031,189.40

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Solution

The fourth proportional to 1,334,053.80, 1,998,983.93 and 1,031,189.40 is: 1,545,163.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,053.80 : 1,998,983.93 = 1,031,189.40 : x
  2. Step 2: Convert to fraction form
    1,334,053.80/1,998,983.93 = 1,031,189.40/x
  3. Step 3: Cross multiply
    1,334,053.80x = 1,998,983.93 × 1,031,189.40
  4. Step 4: Simplify right side
    1,334,053.80x = 2,061,331,034,230.40
  5. Step 5: Solve for x
    x = 2,061,331,034,230.40/1,334,053.80
  6. Step 6: Final answer
    x = 1,545,163.35

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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.