Home / 1,101,952.10-1,520,577.20-618,570.42

Finding the Fourth Proportional to 1,101,952.10, 1,520,577.20 and 618,570.42

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Solution

The fourth proportional to 1,101,952.10, 1,520,577.20 and 618,570.42 is: 853,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,952.10 : 1,520,577.20 = 618,570.42 : x
  2. Step 2: Convert to fraction form
    1,101,952.10/1,520,577.20 = 618,570.42/x
  3. Step 3: Cross multiply
    1,101,952.10x = 1,520,577.20 × 618,570.42
  4. Step 4: Simplify right side
    1,101,952.10x = 940,584,074,153.57
  5. Step 5: Solve for x
    x = 940,584,074,153.57/1,101,952.10
  6. Step 6: Final answer
    x = 853,561.67

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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.